Home / 10,520,948.76-14,528,936.65-9,947,771.02

Finding the Fourth Proportional to 10,520,948.76, 14,528,936.65 and 9,947,771.02

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Solution

The fourth proportional to 10,520,948.76, 14,528,936.65 and 9,947,771.02 is: 13,737,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,948.76 : 14,528,936.65 = 9,947,771.02 : x
  2. Step 2: Convert to fraction form
    10,520,948.76/14,528,936.65 = 9,947,771.02/x
  3. Step 3: Cross multiply
    10,520,948.76x = 14,528,936.65 × 9,947,771.02
  4. Step 4: Simplify right side
    10,520,948.76x = 144,530,534,958,285.88
  5. Step 5: Solve for x
    x = 144,530,534,958,285.88/10,520,948.76
  6. Step 6: Final answer
    x = 13,737,405.08

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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.