Home / 28,175,026.77-42,281,479.58-9,979,157.61

Finding the Fourth Proportional to 28,175,026.77, 42,281,479.58 and 9,979,157.61

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Solution

The fourth proportional to 28,175,026.77, 42,281,479.58 and 9,979,157.61 is: 14,975,444.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175,026.77 : 42,281,479.58 = 9,979,157.61 : x
  2. Step 2: Convert to fraction form
    28,175,026.77/42,281,479.58 = 9,979,157.61/x
  3. Step 3: Cross multiply
    28,175,026.77x = 42,281,479.58 × 9,979,157.61
  4. Step 4: Simplify right side
    28,175,026.77x = 421,933,548,662,920.81
  5. Step 5: Solve for x
    x = 421,933,548,662,920.81/28,175,026.77
  6. Step 6: Final answer
    x = 14,975,444.46

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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.