Home / 9,286,384.47-12,815,143.70-5,156,395.35

Finding the Fourth Proportional to 9,286,384.47, 12,815,143.70 and 5,156,395.35

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Solution

The fourth proportional to 9,286,384.47, 12,815,143.70 and 5,156,395.35 is: 7,115,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,384.47 : 12,815,143.70 = 5,156,395.35 : x
  2. Step 2: Convert to fraction form
    9,286,384.47/12,815,143.70 = 5,156,395.35/x
  3. Step 3: Cross multiply
    9,286,384.47x = 12,815,143.70 × 5,156,395.35
  4. Step 4: Simplify right side
    9,286,384.47x = 66,079,947,358,479.81
  5. Step 5: Solve for x
    x = 66,079,947,358,479.81/9,286,384.47
  6. Step 6: Final answer
    x = 7,115,788.45

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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.