Home / 15,261,387.30-21,060,709.56-8,386,312.26

Finding the Fourth Proportional to 15,261,387.30, 21,060,709.56 and 8,386,312.26

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Solution

The fourth proportional to 15,261,387.30, 21,060,709.56 and 8,386,312.26 is: 11,573,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261,387.30 : 21,060,709.56 = 8,386,312.26 : x
  2. Step 2: Convert to fraction form
    15,261,387.30/21,060,709.56 = 8,386,312.26/x
  3. Step 3: Cross multiply
    15,261,387.30x = 21,060,709.56 × 8,386,312.26
  4. Step 4: Simplify right side
    15,261,387.30x = 176,621,686,787,327.19
  5. Step 5: Solve for x
    x = 176,621,686,787,327.19/15,261,387.30
  6. Step 6: Final answer
    x = 11,573,108.22

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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.