Home / 46,428,264.61-69,643,946.94-20,869,347.83

Finding the Fourth Proportional to 46,428,264.61, 69,643,946.94 and 20,869,347.83

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Solution

The fourth proportional to 46,428,264.61, 69,643,946.94 and 20,869,347.83 is: 31,304,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,428,264.61 : 69,643,946.94 = 20,869,347.83 : x
  2. Step 2: Convert to fraction form
    46,428,264.61/69,643,946.94 = 20,869,347.83/x
  3. Step 3: Cross multiply
    46,428,264.61x = 69,643,946.94 × 20,869,347.83
  4. Step 4: Simplify right side
    46,428,264.61x = 1,453,423,752,596,704.25
  5. Step 5: Solve for x
    x = 1,453,423,752,596,704.25/46,428,264.61
  6. Step 6: Final answer
    x = 31,304,718.47

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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.