Home / 8,939,278.08-12,336,482.16-5,071,962.24

Finding the Fourth Proportional to 8,939,278.08, 12,336,482.16 and 5,071,962.24

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Solution

The fourth proportional to 8,939,278.08, 12,336,482.16 and 5,071,962.24 is: 6,999,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,278.08 : 12,336,482.16 = 5,071,962.24 : x
  2. Step 2: Convert to fraction form
    8,939,278.08/12,336,482.16 = 5,071,962.24/x
  3. Step 3: Cross multiply
    8,939,278.08x = 12,336,482.16 × 5,071,962.24
  4. Step 4: Simplify right side
    8,939,278.08x = 62,570,171,689,953.64
  5. Step 5: Solve for x
    x = 62,570,171,689,953.64/8,939,278.08
  6. Step 6: Final answer
    x = 6,999,465.86

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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.