Home / 20,000,660.78-27,600,919.72-10,833,275.18

Finding the Fourth Proportional to 20,000,660.78, 27,600,919.72 and 10,833,275.18

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Solution

The fourth proportional to 20,000,660.78, 27,600,919.72 and 10,833,275.18 is: 14,949,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000,660.78 : 27,600,919.72 = 10,833,275.18 : x
  2. Step 2: Convert to fraction form
    20,000,660.78/27,600,919.72 = 10,833,275.18/x
  3. Step 3: Cross multiply
    20,000,660.78x = 27,600,919.72 × 10,833,275.18
  4. Step 4: Simplify right side
    20,000,660.78x = 299,008,358,547,848.50
  5. Step 5: Solve for x
    x = 299,008,358,547,848.50/20,000,660.78
  6. Step 6: Final answer
    x = 14,949,924.00

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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.