Home / 9,357,219.78-12,912,120.72-5,226,889.86

Finding the Fourth Proportional to 9,357,219.78, 12,912,120.72 and 5,226,889.86

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Solution

The fourth proportional to 9,357,219.78, 12,912,120.72 and 5,226,889.86 is: 7,212,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357,219.78 : 12,912,120.72 = 5,226,889.86 : x
  2. Step 2: Convert to fraction form
    9,357,219.78/12,912,120.72 = 5,226,889.86/x
  3. Step 3: Cross multiply
    9,357,219.78x = 12,912,120.72 × 5,226,889.86
  4. Step 4: Simplify right side
    9,357,219.78x = 67,490,232,862,463.91
  5. Step 5: Solve for x
    x = 67,490,232,862,463.91/9,357,219.78
  6. Step 6: Final answer
    x = 7,212,637.35

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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.