Home / 9,128,312.85-12,597,916.77-5,053,931.85

Finding the Fourth Proportional to 9,128,312.85, 12,597,916.77 and 5,053,931.85

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Solution

The fourth proportional to 9,128,312.85, 12,597,916.77 and 5,053,931.85 is: 6,974,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,312.85 : 12,597,916.77 = 5,053,931.85 : x
  2. Step 2: Convert to fraction form
    9,128,312.85/12,597,916.77 = 5,053,931.85/x
  3. Step 3: Cross multiply
    9,128,312.85x = 12,597,916.77 × 5,053,931.85
  4. Step 4: Simplify right side
    9,128,312.85x = 63,669,012,807,552.12
  5. Step 5: Solve for x
    x = 63,669,012,807,552.12/9,128,312.85
  6. Step 6: Final answer
    x = 6,974,893.81

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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.