Home / 10,643,813.39-15,969,862.40-4,255,892.57

Finding the Fourth Proportional to 10,643,813.39, 15,969,862.40 and 4,255,892.57

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Solution

The fourth proportional to 10,643,813.39, 15,969,862.40 and 4,255,892.57 is: 6,385,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,813.39 : 15,969,862.40 = 4,255,892.57 : x
  2. Step 2: Convert to fraction form
    10,643,813.39/15,969,862.40 = 4,255,892.57/x
  3. Step 3: Cross multiply
    10,643,813.39x = 15,969,862.40 × 4,255,892.57
  4. Step 4: Simplify right side
    10,643,813.39x = 67,966,018,630,953.60
  5. Step 5: Solve for x
    x = 67,966,018,630,953.60/10,643,813.39
  6. Step 6: Final answer
    x = 6,385,495.14

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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.