Home / 43,169,603.20-64,746,110.40-12,878,454.40

Finding the Fourth Proportional to 43,169,603.20, 64,746,110.40 and 12,878,454.40

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Solution

The fourth proportional to 43,169,603.20, 64,746,110.40 and 12,878,454.40 is: 19,315,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169,603.20 : 64,746,110.40 = 12,878,454.40 : x
  2. Step 2: Convert to fraction form
    43,169,603.20/64,746,110.40 = 12,878,454.40/x
  3. Step 3: Cross multiply
    43,169,603.20x = 64,746,110.40 × 12,878,454.40
  4. Step 4: Simplify right side
    43,169,603.20x = 833,829,830,363,765.75
  5. Step 5: Solve for x
    x = 833,829,830,363,765.75/43,169,603.20
  6. Step 6: Final answer
    x = 19,315,207.20

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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.