Home / 30,240,017.40-45,360,026.10-18,902,609.40

Finding the Fourth Proportional to 30,240,017.40, 45,360,026.10 and 18,902,609.40

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Solution

The fourth proportional to 30,240,017.40, 45,360,026.10 and 18,902,609.40 is: 28,353,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,017.40 : 45,360,026.10 = 18,902,609.40 : x
  2. Step 2: Convert to fraction form
    30,240,017.40/45,360,026.10 = 18,902,609.40/x
  3. Step 3: Cross multiply
    30,240,017.40x = 45,360,026.10 × 18,902,609.40
  4. Step 4: Simplify right side
    30,240,017.40x = 857,422,855,742,105.25
  5. Step 5: Solve for x
    x = 857,422,855,742,105.25/30,240,017.40
  6. Step 6: Final answer
    x = 28,353,914.10

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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.