Home / 7,237,308.80-10,855,963.20-7,125,334.40

Finding the Fourth Proportional to 7,237,308.80, 10,855,963.20 and 7,125,334.40

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Solution

The fourth proportional to 7,237,308.80, 10,855,963.20 and 7,125,334.40 is: 10,688,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,308.80 : 10,855,963.20 = 7,125,334.40 : x
  2. Step 2: Convert to fraction form
    7,237,308.80/10,855,963.20 = 7,125,334.40/x
  3. Step 3: Cross multiply
    7,237,308.80x = 10,855,963.20 × 7,125,334.40
  4. Step 4: Simplify right side
    7,237,308.80x = 77,352,368,034,094.08
  5. Step 5: Solve for x
    x = 77,352,368,034,094.08/7,237,308.80
  6. Step 6: Final answer
    x = 10,688,001.60

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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.