Home / 7,122,909.47-9,828,527.90-4,024,302.21

Finding the Fourth Proportional to 7,122,909.47, 9,828,527.90 and 4,024,302.21

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Solution

The fourth proportional to 7,122,909.47, 9,828,527.90 and 4,024,302.21 is: 5,552,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,909.47 : 9,828,527.90 = 4,024,302.21 : x
  2. Step 2: Convert to fraction form
    7,122,909.47/9,828,527.90 = 4,024,302.21/x
  3. Step 3: Cross multiply
    7,122,909.47x = 9,828,527.90 × 4,024,302.21
  4. Step 4: Simplify right side
    7,122,909.47x = 39,552,966,528,895.15
  5. Step 5: Solve for x
    x = 39,552,966,528,895.15/7,122,909.47
  6. Step 6: Final answer
    x = 5,552,922.82

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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.