Home / 28,430,834.34-42,646,376.38-9,000,155.76

Finding the Fourth Proportional to 28,430,834.34, 42,646,376.38 and 9,000,155.76

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Solution

The fourth proportional to 28,430,834.34, 42,646,376.38 and 9,000,155.76 is: 13,500,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,834.34 : 42,646,376.38 = 9,000,155.76 : x
  2. Step 2: Convert to fraction form
    28,430,834.34/42,646,376.38 = 9,000,155.76/x
  3. Step 3: Cross multiply
    28,430,834.34x = 42,646,376.38 × 9,000,155.76
  4. Step 4: Simplify right side
    28,430,834.34x = 383,824,030,019,584.94
  5. Step 5: Solve for x
    x = 383,824,030,019,584.94/28,430,834.34
  6. Step 6: Final answer
    x = 13,500,273.17

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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.