Home / 18,886,329.92-28,334,445.62-5,931,957.32

Finding the Fourth Proportional to 18,886,329.92, 28,334,445.62 and 5,931,957.32

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Solution

The fourth proportional to 18,886,329.92, 28,334,445.62 and 5,931,957.32 is: 8,899,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886,329.92 : 28,334,445.62 = 5,931,957.32 : x
  2. Step 2: Convert to fraction form
    18,886,329.92/28,334,445.62 = 5,931,957.32/x
  3. Step 3: Cross multiply
    18,886,329.92x = 28,334,445.62 × 5,931,957.32
  4. Step 4: Simplify right side
    18,886,329.92x = 168,078,722,046,038.03
  5. Step 5: Solve for x
    x = 168,078,722,046,038.03/18,886,329.92
  6. Step 6: Final answer
    x = 8,899,490.94

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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.