Home / 9,781,140.32-13,497,302.28-5,429,887.76

Finding the Fourth Proportional to 9,781,140.32, 13,497,302.28 and 5,429,887.76

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Solution

The fourth proportional to 9,781,140.32, 13,497,302.28 and 5,429,887.76 is: 7,492,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,140.32 : 13,497,302.28 = 5,429,887.76 : x
  2. Step 2: Convert to fraction form
    9,781,140.32/13,497,302.28 = 5,429,887.76/x
  3. Step 3: Cross multiply
    9,781,140.32x = 13,497,302.28 × 5,429,887.76
  4. Step 4: Simplify right side
    9,781,140.32x = 73,288,836,443,192.09
  5. Step 5: Solve for x
    x = 73,288,836,443,192.09/9,781,140.32
  6. Step 6: Final answer
    x = 7,492,872.41

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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.