Home / 7,129,266.08-9,838,389.83-3,866,079.93

Finding the Fourth Proportional to 7,129,266.08, 9,838,389.83 and 3,866,079.93

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Solution

The fourth proportional to 7,129,266.08, 9,838,389.83 and 3,866,079.93 is: 5,335,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,266.08 : 9,838,389.83 = 3,866,079.93 : x
  2. Step 2: Convert to fraction form
    7,129,266.08/9,838,389.83 = 3,866,079.93/x
  3. Step 3: Cross multiply
    7,129,266.08x = 9,838,389.83 × 3,866,079.93
  4. Step 4: Simplify right side
    7,129,266.08x = 38,036,001,445,948.71
  5. Step 5: Solve for x
    x = 38,036,001,445,948.71/7,129,266.08
  6. Step 6: Final answer
    x = 5,335,191.74

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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.