Home / 13,550,816.61-18,700,177.65-7,355,875.47

Finding the Fourth Proportional to 13,550,816.61, 18,700,177.65 and 7,355,875.47

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Solution

The fourth proportional to 13,550,816.61, 18,700,177.65 and 7,355,875.47 is: 10,151,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550,816.61 : 18,700,177.65 = 7,355,875.47 : x
  2. Step 2: Convert to fraction form
    13,550,816.61/18,700,177.65 = 7,355,875.47/x
  3. Step 3: Cross multiply
    13,550,816.61x = 18,700,177.65 × 7,355,875.47
  4. Step 4: Simplify right side
    13,550,816.61x = 137,556,178,060,277.23
  5. Step 5: Solve for x
    x = 137,556,178,060,277.23/13,550,816.61
  6. Step 6: Final answer
    x = 10,151,135.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.