Home / 21,870,140.70-32,805,211.05-21,030,332.70

Finding the Fourth Proportional to 21,870,140.70, 32,805,211.05 and 21,030,332.70

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Solution

The fourth proportional to 21,870,140.70, 32,805,211.05 and 21,030,332.70 is: 31,545,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,140.70 : 32,805,211.05 = 21,030,332.70 : x
  2. Step 2: Convert to fraction form
    21,870,140.70/32,805,211.05 = 21,030,332.70/x
  3. Step 3: Cross multiply
    21,870,140.70x = 32,805,211.05 × 21,030,332.70
  4. Step 4: Simplify right side
    21,870,140.70x = 689,904,502,675,216.38
  5. Step 5: Solve for x
    x = 689,904,502,675,216.38/21,870,140.70
  6. Step 6: Final answer
    x = 31,545,499.05

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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.