Home / 28,114,152.86-42,176,981.02-9,667,702.13

Finding the Fourth Proportional to 28,114,152.86, 42,176,981.02 and 9,667,702.13

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Solution

The fourth proportional to 28,114,152.86, 42,176,981.02 and 9,667,702.13 is: 14,503,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114,152.86 : 42,176,981.02 = 9,667,702.13 : x
  2. Step 2: Convert to fraction form
    28,114,152.86/42,176,981.02 = 9,667,702.13/x
  3. Step 3: Cross multiply
    28,114,152.86x = 42,176,981.02 × 9,667,702.13
  4. Step 4: Simplify right side
    28,114,152.86x = 407,754,489,264,341.88
  5. Step 5: Solve for x
    x = 407,754,489,264,341.88/28,114,152.86
  6. Step 6: Final answer
    x = 14,503,531.06

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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.