Home / 42,971,763.25-64,459,423.64-12,679,626.25

Finding the Fourth Proportional to 42,971,763.25, 64,459,423.64 and 12,679,626.25

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Solution

The fourth proportional to 42,971,763.25, 64,459,423.64 and 12,679,626.25 is: 19,019,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,971,763.25 : 64,459,423.64 = 12,679,626.25 : x
  2. Step 2: Convert to fraction form
    42,971,763.25/64,459,423.64 = 12,679,626.25/x
  3. Step 3: Cross multiply
    42,971,763.25x = 64,459,423.64 × 12,679,626.25
  4. Step 4: Simplify right side
    42,971,763.25x = 817,321,400,045,614.50
  5. Step 5: Solve for x
    x = 817,321,400,045,614.50/42,971,763.25
  6. Step 6: Final answer
    x = 19,019,964.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.