Home / 48,543,323.40-72,814,985.10-12,641,531.40

Finding the Fourth Proportional to 48,543,323.40, 72,814,985.10 and 12,641,531.40

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Solution

The fourth proportional to 48,543,323.40, 72,814,985.10 and 12,641,531.40 is: 18,962,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,543,323.40 : 72,814,985.10 = 12,641,531.40 : x
  2. Step 2: Convert to fraction form
    48,543,323.40/72,814,985.10 = 12,641,531.40/x
  3. Step 3: Cross multiply
    48,543,323.40x = 72,814,985.10 × 12,641,531.40
  4. Step 4: Simplify right side
    48,543,323.40x = 920,492,920,532,182.12
  5. Step 5: Solve for x
    x = 920,492,920,532,182.12/48,543,323.40
  6. Step 6: Final answer
    x = 18,962,297.10

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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.