Home / 40,285,841.40-60,428,762.10-13,355,998.20

Finding the Fourth Proportional to 40,285,841.40, 60,428,762.10 and 13,355,998.20

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Solution

The fourth proportional to 40,285,841.40, 60,428,762.10 and 13,355,998.20 is: 20,033,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285,841.40 : 60,428,762.10 = 13,355,998.20 : x
  2. Step 2: Convert to fraction form
    40,285,841.40/60,428,762.10 = 13,355,998.20/x
  3. Step 3: Cross multiply
    40,285,841.40x = 60,428,762.10 × 13,355,998.20
  4. Step 4: Simplify right side
    40,285,841.40x = 807,086,437,835,828.25
  5. Step 5: Solve for x
    x = 807,086,437,835,828.25/40,285,841.40
  6. Step 6: Final answer
    x = 20,033,997.30

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Similar ratio
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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.