Home / 19,155,071.40-28,732,607.10-5,691,899.40

Finding the Fourth Proportional to 19,155,071.40, 28,732,607.10 and 5,691,899.40

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Solution

The fourth proportional to 19,155,071.40, 28,732,607.10 and 5,691,899.40 is: 8,537,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,071.40 : 28,732,607.10 = 5,691,899.40 : x
  2. Step 2: Convert to fraction form
    19,155,071.40/28,732,607.10 = 5,691,899.40/x
  3. Step 3: Cross multiply
    19,155,071.40x = 28,732,607.10 × 5,691,899.40
  4. Step 4: Simplify right side
    19,155,071.40x = 163,543,109,112,925.75
  5. Step 5: Solve for x
    x = 163,543,109,112,925.75/19,155,071.40
  6. Step 6: Final answer
    x = 8,537,849.10

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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.