Home / 30,282,182.70-45,429,178.95-13,010,350.20

Finding the Fourth Proportional to 30,282,182.70, 45,429,178.95 and 13,010,350.20

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Solution

The fourth proportional to 30,282,182.70, 45,429,178.95 and 13,010,350.20 is: 19,518,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282,182.70 : 45,429,178.95 = 13,010,350.20 : x
  2. Step 2: Convert to fraction form
    30,282,182.70/45,429,178.95 = 13,010,350.20/x
  3. Step 3: Cross multiply
    30,282,182.70x = 45,429,178.95 × 13,010,350.20
  4. Step 4: Simplify right side
    30,282,182.70x = 591,049,527,437,968.25
  5. Step 5: Solve for x
    x = 591,049,527,437,968.25/30,282,182.70
  6. Step 6: Final answer
    x = 19,518,062.26

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1.5x scale

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.