Home / 8,742,705.40-13,114,058.10-5,554,059.40

Finding the Fourth Proportional to 8,742,705.40, 13,114,058.10 and 5,554,059.40

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Solution

The fourth proportional to 8,742,705.40, 13,114,058.10 and 5,554,059.40 is: 8,331,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,705.40 : 13,114,058.10 = 5,554,059.40 : x
  2. Step 2: Convert to fraction form
    8,742,705.40/13,114,058.10 = 5,554,059.40/x
  3. Step 3: Cross multiply
    8,742,705.40x = 13,114,058.10 × 5,554,059.40
  4. Step 4: Simplify right side
    8,742,705.40x = 72,836,257,662,451.14
  5. Step 5: Solve for x
    x = 72,836,257,662,451.14/8,742,705.40
  6. Step 6: Final answer
    x = 8,331,089.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.