Home / 20,005,570.15-27,607,714.81-10,838,212.90

Finding the Fourth Proportional to 20,005,570.15, 27,607,714.81 and 10,838,212.90

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Solution

The fourth proportional to 20,005,570.15, 27,607,714.81 and 10,838,212.90 is: 14,956,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,570.15 : 27,607,714.81 = 10,838,212.90 : x
  2. Step 2: Convert to fraction form
    20,005,570.15/27,607,714.81 = 10,838,212.90/x
  3. Step 3: Cross multiply
    20,005,570.15x = 27,607,714.81 × 10,838,212.90
  4. Step 4: Simplify right side
    20,005,570.15x = 299,218,290,697,148.25
  5. Step 5: Solve for x
    x = 299,218,290,697,148.25/20,005,570.15
  6. Step 6: Final answer
    x = 14,956,748.97

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1.5x scale

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.