Home / 15,487,865.04-21,373,772.28-8,518,837.32

Finding the Fourth Proportional to 15,487,865.04, 21,373,772.28 and 8,518,837.32

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Solution

The fourth proportional to 15,487,865.04, 21,373,772.28 and 8,518,837.32 is: 11,756,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,865.04 : 21,373,772.28 = 8,518,837.32 : x
  2. Step 2: Convert to fraction form
    15,487,865.04/21,373,772.28 = 8,518,837.32/x
  3. Step 3: Cross multiply
    15,487,865.04x = 21,373,772.28 × 8,518,837.32
  4. Step 4: Simplify right side
    15,487,865.04x = 182,079,688,968,045.50
  5. Step 5: Solve for x
    x = 182,079,688,968,045.50/15,487,865.04
  6. Step 6: Final answer
    x = 11,756,280.71

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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.