Home / 7,390,743-10,125,148.76-7,114,421.92

Finding the Fourth Proportional to 7,390,743, 10,125,148.76 and 7,114,421.92

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Solution

The fourth proportional to 7,390,743, 10,125,148.76 and 7,114,421.92 is: 9,746,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,743 : 10,125,148.76 = 7,114,421.92 : x
  2. Step 2: Convert to fraction form
    7,390,743/10,125,148.76 = 7,114,421.92/x
  3. Step 3: Cross multiply
    7,390,743x = 10,125,148.76 × 7,114,421.92
  4. Step 4: Simplify right side
    7,390,743x = 72,034,580,281,404.81
  5. Step 5: Solve for x
    x = 72,034,580,281,404.81/7,390,743
  6. Step 6: Final answer
    x = 9,746,595.20

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Double scale
Find fourth proportional to 7,390,744, 10,125,150.13 and 7,114,422.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.