Home / 30,369,871.30-45,554,806.95-9,899,551.30

Finding the Fourth Proportional to 30,369,871.30, 45,554,806.95 and 9,899,551.30

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Solution

The fourth proportional to 30,369,871.30, 45,554,806.95 and 9,899,551.30 is: 14,849,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369,871.30 : 45,554,806.95 = 9,899,551.30 : x
  2. Step 2: Convert to fraction form
    30,369,871.30/45,554,806.95 = 9,899,551.30/x
  3. Step 3: Cross multiply
    30,369,871.30x = 45,554,806.95 × 9,899,551.30
  4. Step 4: Simplify right side
    30,369,871.30x = 450,972,148,363,121.62
  5. Step 5: Solve for x
    x = 450,972,148,363,121.62/30,369,871.30
  6. Step 6: Final answer
    x = 14,849,326.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.