Home / 15,239,264.64-21,031,475.76-8,364,911.04

Finding the Fourth Proportional to 15,239,264.64, 21,031,475.76 and 8,364,911.04

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Solution

The fourth proportional to 15,239,264.64, 21,031,475.76 and 8,364,911.04 is: 11,544,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239,264.64 : 21,031,475.76 = 8,364,911.04 : x
  2. Step 2: Convert to fraction form
    15,239,264.64/21,031,475.76 = 8,364,911.04/x
  3. Step 3: Cross multiply
    15,239,264.64x = 21,031,475.76 × 8,364,911.04
  4. Step 4: Simplify right side
    15,239,264.64x = 175,926,423,772,316.41
  5. Step 5: Solve for x
    x = 175,926,423,772,316.41/15,239,264.64
  6. Step 6: Final answer
    x = 11,544,285.63

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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.