Home / 8,988,792.63-12,404,657.57-5,317,614.86

Finding the Fourth Proportional to 8,988,792.63, 12,404,657.57 and 5,317,614.86

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Solution

The fourth proportional to 8,988,792.63, 12,404,657.57 and 5,317,614.86 is: 7,338,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,792.63 : 12,404,657.57 = 5,317,614.86 : x
  2. Step 2: Convert to fraction form
    8,988,792.63/12,404,657.57 = 5,317,614.86/x
  3. Step 3: Cross multiply
    8,988,792.63x = 12,404,657.57 × 5,317,614.86
  4. Step 4: Simplify right side
    8,988,792.63x = 65,963,191,338,832.13
  5. Step 5: Solve for x
    x = 65,963,191,338,832.13/8,988,792.63
  6. Step 6: Final answer
    x = 7,338,381.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.