Home / 19,406,271.60-29,109,407.40-19,154,329.20

Finding the Fourth Proportional to 19,406,271.60, 29,109,407.40 and 19,154,329.20

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Solution

The fourth proportional to 19,406,271.60, 29,109,407.40 and 19,154,329.20 is: 28,731,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406,271.60 : 29,109,407.40 = 19,154,329.20 : x
  2. Step 2: Convert to fraction form
    19,406,271.60/29,109,407.40 = 19,154,329.20/x
  3. Step 3: Cross multiply
    19,406,271.60x = 29,109,407.40 × 19,154,329.20
  4. Step 4: Simplify right side
    19,406,271.60x = 557,571,172,156,516
  5. Step 5: Solve for x
    x = 557,571,172,156,516/19,406,271.60
  6. Step 6: Final answer
    x = 28,731,493.80

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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.