Home / 28,044,129.81-42,071,648.55-10,771,067.13

Finding the Fourth Proportional to 28,044,129.81, 42,071,648.55 and 10,771,067.13

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Solution

The fourth proportional to 28,044,129.81, 42,071,648.55 and 10,771,067.13 is: 16,158,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044,129.81 : 42,071,648.55 = 10,771,067.13 : x
  2. Step 2: Convert to fraction form
    28,044,129.81/42,071,648.55 = 10,771,067.13/x
  3. Step 3: Cross multiply
    28,044,129.81x = 42,071,648.55 × 10,771,067.13
  4. Step 4: Simplify right side
    28,044,129.81x = 453,156,550,801,817.19
  5. Step 5: Solve for x
    x = 453,156,550,801,817.19/28,044,129.81
  6. Step 6: Final answer
    x = 16,158,695.38

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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.