Home / 8,898,387.01-12,279,663.47-5,227,638.19

Finding the Fourth Proportional to 8,898,387.01, 12,279,663.47 and 5,227,638.19

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Solution

The fourth proportional to 8,898,387.01, 12,279,663.47 and 5,227,638.19 is: 7,214,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,387.01 : 12,279,663.47 = 5,227,638.19 : x
  2. Step 2: Convert to fraction form
    8,898,387.01/12,279,663.47 = 5,227,638.19/x
  3. Step 3: Cross multiply
    8,898,387.01x = 12,279,663.47 × 5,227,638.19
  4. Step 4: Simplify right side
    8,898,387.01x = 64,193,637,698,489.86
  5. Step 5: Solve for x
    x = 64,193,637,698,489.86/8,898,387.01
  6. Step 6: Final answer
    x = 7,214,075.72

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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.