Home / 12,786,099.95-19,186,716.54-4,704,750.47

Finding the Fourth Proportional to 12,786,099.95, 19,186,716.54 and 4,704,750.47

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Solution

The fourth proportional to 12,786,099.95, 19,186,716.54 and 4,704,750.47 is: 7,059,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,099.95 : 19,186,716.54 = 4,704,750.47 : x
  2. Step 2: Convert to fraction form
    12,786,099.95/19,186,716.54 = 4,704,750.47/x
  3. Step 3: Cross multiply
    12,786,099.95x = 19,186,716.54 × 4,704,750.47
  4. Step 4: Simplify right side
    12,786,099.95x = 90,268,713,724,931.38
  5. Step 5: Solve for x
    x = 90,268,713,724,931.38/12,786,099.95
  6. Step 6: Final answer
    x = 7,059,909.91

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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.