Home / 9,710,279.20-14,552,977.20-8,640,301.60

Finding the Fourth Proportional to 9,710,279.20, 14,552,977.20 and 8,640,301.60

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Solution

The fourth proportional to 9,710,279.20, 14,552,977.20 and 8,640,301.60 is: 12,949,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710,279.20 : 14,552,977.20 = 8,640,301.60 : x
  2. Step 2: Convert to fraction form
    9,710,279.20/14,552,977.20 = 8,640,301.60/x
  3. Step 3: Cross multiply
    9,710,279.20x = 14,552,977.20 × 8,640,301.60
  4. Step 4: Simplify right side
    9,710,279.20x = 125,742,112,185,923.52
  5. Step 5: Solve for x
    x = 125,742,112,185,923.52/9,710,279.20
  6. Step 6: Final answer
    x = 12,949,381.74

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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.