Home / 15,977,427.60-23,966,141.40-9,919,000.20

Finding the Fourth Proportional to 15,977,427.60, 23,966,141.40 and 9,919,000.20

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Solution

The fourth proportional to 15,977,427.60, 23,966,141.40 and 9,919,000.20 is: 14,878,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,427.60 : 23,966,141.40 = 9,919,000.20 : x
  2. Step 2: Convert to fraction form
    15,977,427.60/23,966,141.40 = 9,919,000.20/x
  3. Step 3: Cross multiply
    15,977,427.60x = 23,966,141.40 × 9,919,000.20
  4. Step 4: Simplify right side
    15,977,427.60x = 237,720,161,339,828.25
  5. Step 5: Solve for x
    x = 237,720,161,339,828.25/15,977,427.60
  6. Step 6: Final answer
    x = 14,878,500.30

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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.