Home / 10,363,643.02-15,514,759-7,680,013.59

Finding the Fourth Proportional to 10,363,643.02, 15,514,759 and 7,680,013.59

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Solution

The fourth proportional to 10,363,643.02, 15,514,759 and 7,680,013.59 is: 11,497,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,643.02 : 15,514,759 = 7,680,013.59 : x
  2. Step 2: Convert to fraction form
    10,363,643.02/15,514,759 = 7,680,013.59/x
  3. Step 3: Cross multiply
    10,363,643.02x = 15,514,759 × 7,680,013.59
  4. Step 4: Simplify right side
    10,363,643.02x = 119,153,559,965,574.81
  5. Step 5: Solve for x
    x = 119,153,559,965,574.81/10,363,643.02
  6. Step 6: Final answer
    x = 11,497,265.95

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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.