Home / 31,136,767.13-42,968,482.09-17,007,965.28

Finding the Fourth Proportional to 31,136,767.13, 42,968,482.09 and 17,007,965.28

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Solution

The fourth proportional to 31,136,767.13, 42,968,482.09 and 17,007,965.28 is: 23,470,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136,767.13 : 42,968,482.09 = 17,007,965.28 : x
  2. Step 2: Convert to fraction form
    31,136,767.13/42,968,482.09 = 17,007,965.28/x
  3. Step 3: Cross multiply
    31,136,767.13x = 42,968,482.09 × 17,007,965.28
  4. Step 4: Simplify right side
    31,136,767.13x = 730,806,451,478,502
  5. Step 5: Solve for x
    x = 730,806,451,478,502/31,136,767.13
  6. Step 6: Final answer
    x = 23,470,851.95

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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.