Home / 7,529,048.40-10,390,078.90-4,091,281.22

Finding the Fourth Proportional to 7,529,048.40, 10,390,078.90 and 4,091,281.22

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Solution

The fourth proportional to 7,529,048.40, 10,390,078.90 and 4,091,281.22 is: 5,645,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529,048.40 : 10,390,078.90 = 4,091,281.22 : x
  2. Step 2: Convert to fraction form
    7,529,048.40/10,390,078.90 = 4,091,281.22/x
  3. Step 3: Cross multiply
    7,529,048.40x = 10,390,078.90 × 4,091,281.22
  4. Step 4: Simplify right side
    7,529,048.40x = 42,508,734,677,888.26
  5. Step 5: Solve for x
    x = 42,508,734,677,888.26/7,529,048.40
  6. Step 6: Final answer
    x = 5,645,963.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.