Home / 18,194,948.06-25,108,928.50-9,934,951.80

Finding the Fourth Proportional to 18,194,948.06, 25,108,928.50 and 9,934,951.80

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Solution

The fourth proportional to 18,194,948.06, 25,108,928.50 and 9,934,951.80 is: 13,710,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,948.06 : 25,108,928.50 = 9,934,951.80 : x
  2. Step 2: Convert to fraction form
    18,194,948.06/25,108,928.50 = 9,934,951.80/x
  3. Step 3: Cross multiply
    18,194,948.06x = 25,108,928.50 × 9,934,951.80
  4. Step 4: Simplify right side
    18,194,948.06x = 249,455,994,397,146.31
  5. Step 5: Solve for x
    x = 249,455,994,397,146.31/18,194,948.06
  6. Step 6: Final answer
    x = 13,710,178.98

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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.