Home / 12,101,411.20-18,152,116.80-3,125,963.20

Finding the Fourth Proportional to 12,101,411.20, 18,152,116.80 and 3,125,963.20

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Solution

The fourth proportional to 12,101,411.20, 18,152,116.80 and 3,125,963.20 is: 4,688,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,411.20 : 18,152,116.80 = 3,125,963.20 : x
  2. Step 2: Convert to fraction form
    12,101,411.20/18,152,116.80 = 3,125,963.20/x
  3. Step 3: Cross multiply
    12,101,411.20x = 18,152,116.80 × 3,125,963.20
  4. Step 4: Simplify right side
    12,101,411.20x = 56,742,849,118,901.77
  5. Step 5: Solve for x
    x = 56,742,849,118,901.77/12,101,411.20
  6. Step 6: Final answer
    x = 4,688,944.80

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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.