Home / 14,435,070.86-19,920,397.22-7,908,947.84

Finding the Fourth Proportional to 14,435,070.86, 19,920,397.22 and 7,908,947.84

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Solution

The fourth proportional to 14,435,070.86, 19,920,397.22 and 7,908,947.84 is: 10,914,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435,070.86 : 19,920,397.22 = 7,908,947.84 : x
  2. Step 2: Convert to fraction form
    14,435,070.86/19,920,397.22 = 7,908,947.84/x
  3. Step 3: Cross multiply
    14,435,070.86x = 19,920,397.22 × 7,908,947.84
  4. Step 4: Simplify right side
    14,435,070.86x = 157,549,382,565,061
  5. Step 5: Solve for x
    x = 157,549,382,565,061/14,435,070.86
  6. Step 6: Final answer
    x = 10,914,347.71

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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.