Home / 25,788,167.40-38,691,774.30-10,643,412.20

Finding the Fourth Proportional to 25,788,167.40, 38,691,774.30 and 10,643,412.20

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Solution

The fourth proportional to 25,788,167.40, 38,691,774.30 and 10,643,412.20 is: 15,969,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788,167.40 : 38,691,774.30 = 10,643,412.20 : x
  2. Step 2: Convert to fraction form
    25,788,167.40/38,691,774.30 = 10,643,412.20/x
  3. Step 3: Cross multiply
    25,788,167.40x = 38,691,774.30 × 10,643,412.20
  4. Step 4: Simplify right side
    25,788,167.40x = 411,812,502,624,266.38
  5. Step 5: Solve for x
    x = 411,812,502,624,266.38/25,788,167.40
  6. Step 6: Final answer
    x = 15,969,048.76

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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.