Home / 11,446,526.16-15,780,422.10-9,131,276.84

Finding the Fourth Proportional to 11,446,526.16, 15,780,422.10 and 9,131,276.84

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Solution

The fourth proportional to 11,446,526.16, 15,780,422.10 and 9,131,276.84 is: 12,588,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446,526.16 : 15,780,422.10 = 9,131,276.84 : x
  2. Step 2: Convert to fraction form
    11,446,526.16/15,780,422.10 = 9,131,276.84/x
  3. Step 3: Cross multiply
    11,446,526.16x = 15,780,422.10 × 9,131,276.84
  4. Step 4: Simplify right side
    11,446,526.16x = 144,095,402,847,154.16
  5. Step 5: Solve for x
    x = 144,095,402,847,154.16/11,446,526.16
  6. Step 6: Final answer
    x = 12,588,570.61

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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.