Home / 30,164,178.81-45,210,838.68-13,955,892.60

Finding the Fourth Proportional to 30,164,178.81, 45,210,838.68 and 13,955,892.60

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Solution

The fourth proportional to 30,164,178.81, 45,210,838.68 and 13,955,892.60 is: 20,917,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164,178.81 : 45,210,838.68 = 13,955,892.60 : x
  2. Step 2: Convert to fraction form
    30,164,178.81/45,210,838.68 = 13,955,892.60/x
  3. Step 3: Cross multiply
    30,164,178.81x = 45,210,838.68 × 13,955,892.60
  4. Step 4: Simplify right side
    30,164,178.81x = 630,957,608,974,005.75
  5. Step 5: Solve for x
    x = 630,957,608,974,005.75/30,164,178.81
  6. Step 6: Final answer
    x = 20,917,446.91

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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.