Home / 9,516,143.76-13,131,925.02-5,165,136.48

Finding the Fourth Proportional to 9,516,143.76, 13,131,925.02 and 5,165,136.48

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Solution

The fourth proportional to 9,516,143.76, 13,131,925.02 and 5,165,136.48 is: 7,127,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,143.76 : 13,131,925.02 = 5,165,136.48 : x
  2. Step 2: Convert to fraction form
    9,516,143.76/13,131,925.02 = 5,165,136.48/x
  3. Step 3: Cross multiply
    9,516,143.76x = 13,131,925.02 × 5,165,136.48
  4. Step 4: Simplify right side
    9,516,143.76x = 67,828,184,973,426.73
  5. Step 5: Solve for x
    x = 67,828,184,973,426.73/9,516,143.76
  6. Step 6: Final answer
    x = 7,127,696.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.