Home / 15,502,885.68-21,371,810.40-10,904,936.88

Finding the Fourth Proportional to 15,502,885.68, 21,371,810.40 and 10,904,936.88

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Solution

The fourth proportional to 15,502,885.68, 21,371,810.40 and 10,904,936.88 is: 15,033,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,885.68 : 21,371,810.40 = 10,904,936.88 : x
  2. Step 2: Convert to fraction form
    15,502,885.68/21,371,810.40 = 10,904,936.88/x
  3. Step 3: Cross multiply
    15,502,885.68x = 21,371,810.40 × 10,904,936.88
  4. Step 4: Simplify right side
    15,502,885.68x = 233,058,243,423,327.56
  5. Step 5: Solve for x
    x = 233,058,243,423,327.56/15,502,885.68
  6. Step 6: Final answer
    x = 15,033,216.93

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1.5x scale

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.