Home / 43,604,428.80-65,406,643.20-13,308,355.20

Finding the Fourth Proportional to 43,604,428.80, 65,406,643.20 and 13,308,355.20

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Solution

The fourth proportional to 43,604,428.80, 65,406,643.20 and 13,308,355.20 is: 19,962,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604,428.80 : 65,406,643.20 = 13,308,355.20 : x
  2. Step 2: Convert to fraction form
    43,604,428.80/65,406,643.20 = 13,308,355.20/x
  3. Step 3: Cross multiply
    43,604,428.80x = 65,406,643.20 × 13,308,355.20
  4. Step 4: Simplify right side
    43,604,428.80x = 870,454,840,145,264.62
  5. Step 5: Solve for x
    x = 870,454,840,145,264.62/43,604,428.80
  6. Step 6: Final answer
    x = 19,962,532.80

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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.