Home / 28,007,019.60-42,010,529.40-10,962,027.60

Finding the Fourth Proportional to 28,007,019.60, 42,010,529.40 and 10,962,027.60

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Solution

The fourth proportional to 28,007,019.60, 42,010,529.40 and 10,962,027.60 is: 16,443,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,019.60 : 42,010,529.40 = 10,962,027.60 : x
  2. Step 2: Convert to fraction form
    28,007,019.60/42,010,529.40 = 10,962,027.60/x
  3. Step 3: Cross multiply
    28,007,019.60x = 42,010,529.40 × 10,962,027.60
  4. Step 4: Simplify right side
    28,007,019.60x = 460,520,582,773,411.44
  5. Step 5: Solve for x
    x = 460,520,582,773,411.44/28,007,019.60
  6. Step 6: Final answer
    x = 16,443,041.40

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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.