Home / 30,020,773.10-45,034,803.57-8,455,374.78

Finding the Fourth Proportional to 30,020,773.10, 45,034,803.57 and 8,455,374.78

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Solution

The fourth proportional to 30,020,773.10, 45,034,803.57 and 8,455,374.78 is: 12,684,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,773.10 : 45,034,803.57 = 8,455,374.78 : x
  2. Step 2: Convert to fraction form
    30,020,773.10/45,034,803.57 = 8,455,374.78/x
  3. Step 3: Cross multiply
    30,020,773.10x = 45,034,803.57 × 8,455,374.78
  4. Step 4: Simplify right side
    30,020,773.10x = 380,786,142,528,620.06
  5. Step 5: Solve for x
    x = 380,786,142,528,620.06/30,020,773.10
  6. Step 6: Final answer
    x = 12,684,088.49

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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.