Home / 28,430,835.17-42,646,377.74-9,000,156.65

Finding the Fourth Proportional to 28,430,835.17, 42,646,377.74 and 9,000,156.65

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Solution

The fourth proportional to 28,430,835.17, 42,646,377.74 and 9,000,156.65 is: 13,500,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,835.17 : 42,646,377.74 = 9,000,156.65 : x
  2. Step 2: Convert to fraction form
    28,430,835.17/42,646,377.74 = 9,000,156.65/x
  3. Step 3: Cross multiply
    28,430,835.17x = 42,646,377.74 × 9,000,156.65
  4. Step 4: Simplify right side
    28,430,835.17x = 383,824,079,956,840.25
  5. Step 5: Solve for x
    x = 383,824,079,956,840.25/28,430,835.17
  6. Step 6: Final answer
    x = 13,500,274.53

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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.