Home / 15,000,586.52-20,700,810.08-8,125,068.58

Finding the Fourth Proportional to 15,000,586.52, 20,700,810.08 and 8,125,068.58

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Solution

The fourth proportional to 15,000,586.52, 20,700,810.08 and 8,125,068.58 is: 11,212,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,586.52 : 20,700,810.08 = 8,125,068.58 : x
  2. Step 2: Convert to fraction form
    15,000,586.52/20,700,810.08 = 8,125,068.58/x
  3. Step 3: Cross multiply
    15,000,586.52x = 20,700,810.08 × 8,125,068.58
  4. Step 4: Simplify right side
    15,000,586.52x = 168,195,501,561,555.28
  5. Step 5: Solve for x
    x = 168,195,501,561,555.28/15,000,586.52
  6. Step 6: Final answer
    x = 11,212,595.01

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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.