Home / 15,537,415.60-23,306,123.40-13,145,931.10

Finding the Fourth Proportional to 15,537,415.60, 23,306,123.40 and 13,145,931.10

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Solution

The fourth proportional to 15,537,415.60, 23,306,123.40 and 13,145,931.10 is: 19,718,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537,415.60 : 23,306,123.40 = 13,145,931.10 : x
  2. Step 2: Convert to fraction form
    15,537,415.60/23,306,123.40 = 13,145,931.10/x
  3. Step 3: Cross multiply
    15,537,415.60x = 23,306,123.40 × 13,145,931.10
  4. Step 4: Simplify right side
    15,537,415.60x = 306,380,692,424,497.69
  5. Step 5: Solve for x
    x = 306,380,692,424,497.69/15,537,415.60
  6. Step 6: Final answer
    x = 19,718,896.65

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Double scale
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1.5x scale

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.