Home / 30,290,411.20-45,435,616.80-26,942,332.90

Finding the Fourth Proportional to 30,290,411.20, 45,435,616.80 and 26,942,332.90

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Solution

The fourth proportional to 30,290,411.20, 45,435,616.80 and 26,942,332.90 is: 40,413,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290,411.20 : 45,435,616.80 = 26,942,332.90 : x
  2. Step 2: Convert to fraction form
    30,290,411.20/45,435,616.80 = 26,942,332.90/x
  3. Step 3: Cross multiply
    30,290,411.20x = 45,435,616.80 × 26,942,332.90
  4. Step 4: Simplify right side
    30,290,411.20x = 1,224,141,513,342,432.50
  5. Step 5: Solve for x
    x = 1,224,141,513,342,432.50/30,290,411.20
  6. Step 6: Final answer
    x = 40,413,499.35

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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.