Home / 9,829,543.57-13,564,833.08-5,478,905.72

Finding the Fourth Proportional to 9,829,543.57, 13,564,833.08 and 5,478,905.72

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Solution

The fourth proportional to 9,829,543.57, 13,564,833.08 and 5,478,905.72 is: 7,560,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829,543.57 : 13,564,833.08 = 5,478,905.72 : x
  2. Step 2: Convert to fraction form
    9,829,543.57/13,564,833.08 = 5,478,905.72/x
  3. Step 3: Cross multiply
    9,829,543.57x = 13,564,833.08 × 5,478,905.72
  4. Step 4: Simplify right side
    9,829,543.57x = 74,320,441,559,374.77
  5. Step 5: Solve for x
    x = 74,320,441,559,374.77/9,829,543.57
  6. Step 6: Final answer
    x = 7,560,924.99

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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.