Home / 20,736,065.40-31,104,098.10-10,532,398.20

Finding the Fourth Proportional to 20,736,065.40, 31,104,098.10 and 10,532,398.20

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Solution

The fourth proportional to 20,736,065.40, 31,104,098.10 and 10,532,398.20 is: 15,798,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,065.40 : 31,104,098.10 = 10,532,398.20 : x
  2. Step 2: Convert to fraction form
    20,736,065.40/31,104,098.10 = 10,532,398.20/x
  3. Step 3: Cross multiply
    20,736,065.40x = 31,104,098.10 × 10,532,398.20
  4. Step 4: Simplify right side
    20,736,065.40x = 327,600,746,841,063.44
  5. Step 5: Solve for x
    x = 327,600,746,841,063.44/20,736,065.40
  6. Step 6: Final answer
    x = 15,798,597.30

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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.