Home / 28,114,153.11-42,176,981.43-9,667,702.40

Finding the Fourth Proportional to 28,114,153.11, 42,176,981.43 and 9,667,702.40

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Solution

The fourth proportional to 28,114,153.11, 42,176,981.43 and 9,667,702.40 is: 14,503,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114,153.11 : 42,176,981.43 = 9,667,702.40 : x
  2. Step 2: Convert to fraction form
    28,114,153.11/42,176,981.43 = 9,667,702.40/x
  3. Step 3: Cross multiply
    28,114,153.11x = 42,176,981.43 × 9,667,702.40
  4. Step 4: Simplify right side
    28,114,153.11x = 407,754,504,384,681.50
  5. Step 5: Solve for x
    x = 407,754,504,384,681.50/28,114,153.11
  6. Step 6: Final answer
    x = 14,503,531.47

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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.