Home / 19,431,007.20-29,146,510.80-9,865,069.20

Finding the Fourth Proportional to 19,431,007.20, 29,146,510.80 and 9,865,069.20

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Solution

The fourth proportional to 19,431,007.20, 29,146,510.80 and 9,865,069.20 is: 14,797,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,007.20 : 29,146,510.80 = 9,865,069.20 : x
  2. Step 2: Convert to fraction form
    19,431,007.20/29,146,510.80 = 9,865,069.20/x
  3. Step 3: Cross multiply
    19,431,007.20x = 29,146,510.80 × 9,865,069.20
  4. Step 4: Simplify right side
    19,431,007.20x = 287,532,345,980,547.38
  5. Step 5: Solve for x
    x = 287,532,345,980,547.38/19,431,007.20
  6. Step 6: Final answer
    x = 14,797,603.80

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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.