Home / 15,586,306.02-21,495,175.20-9,785,628.72

Finding the Fourth Proportional to 15,586,306.02, 21,495,175.20 and 9,785,628.72

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Solution

The fourth proportional to 15,586,306.02, 21,495,175.20 and 9,785,628.72 is: 13,495,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,306.02 : 21,495,175.20 = 9,785,628.72 : x
  2. Step 2: Convert to fraction form
    15,586,306.02/21,495,175.20 = 9,785,628.72/x
  3. Step 3: Cross multiply
    15,586,306.02x = 21,495,175.20 × 9,785,628.72
  4. Step 4: Simplify right side
    15,586,306.02x = 210,343,803,778,551.75
  5. Step 5: Solve for x
    x = 210,343,803,778,551.75/15,586,306.02
  6. Step 6: Final answer
    x = 13,495,423.71

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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.