Home / 13,270,838.16-19,894,403-5,181,931.92

Finding the Fourth Proportional to 13,270,838.16, 19,894,403 and 5,181,931.92

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Solution

The fourth proportional to 13,270,838.16, 19,894,403 and 5,181,931.92 is: 7,768,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,838.16 : 19,894,403 = 5,181,931.92 : x
  2. Step 2: Convert to fraction form
    13,270,838.16/19,894,403 = 5,181,931.92/x
  3. Step 3: Cross multiply
    13,270,838.16x = 19,894,403 × 5,181,931.92
  4. Step 4: Simplify right side
    13,270,838.16x = 103,091,441,935,043.77
  5. Step 5: Solve for x
    x = 103,091,441,935,043.77/13,270,838.16
  6. Step 6: Final answer
    x = 7,768,269.09

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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.