Home / 19,931,301.70-29,896,952.55-17,061,520.30

Finding the Fourth Proportional to 19,931,301.70, 29,896,952.55 and 17,061,520.30

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Solution

The fourth proportional to 19,931,301.70, 29,896,952.55 and 17,061,520.30 is: 25,592,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,301.70 : 29,896,952.55 = 17,061,520.30 : x
  2. Step 2: Convert to fraction form
    19,931,301.70/29,896,952.55 = 17,061,520.30/x
  3. Step 3: Cross multiply
    19,931,301.70x = 29,896,952.55 × 17,061,520.30
  4. Step 4: Simplify right side
    19,931,301.70x = 510,087,462,839,961.81
  5. Step 5: Solve for x
    x = 510,087,462,839,961.81/19,931,301.70
  6. Step 6: Final answer
    x = 25,592,280.45

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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.