Home / 15,307,000.18-21,123,661.34-8,431,482.24

Finding the Fourth Proportional to 15,307,000.18, 21,123,661.34 and 8,431,482.24

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Solution

The fourth proportional to 15,307,000.18, 21,123,661.34 and 8,431,482.24 is: 11,635,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307,000.18 : 21,123,661.34 = 8,431,482.24 : x
  2. Step 2: Convert to fraction form
    15,307,000.18/21,123,661.34 = 8,431,482.24/x
  3. Step 3: Cross multiply
    15,307,000.18x = 21,123,661.34 × 8,431,482.24
  4. Step 4: Simplify right side
    15,307,000.18x = 178,103,775,453,063.31
  5. Step 5: Solve for x
    x = 178,103,775,453,063.31/15,307,000.18
  6. Step 6: Final answer
    x = 11,635,446.10

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Double scale
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1.5x scale

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.