Home / 15,459,948.80-23,189,923.20-9,711,929.60

Finding the Fourth Proportional to 15,459,948.80, 23,189,923.20 and 9,711,929.60

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Solution

The fourth proportional to 15,459,948.80, 23,189,923.20 and 9,711,929.60 is: 14,567,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459,948.80 : 23,189,923.20 = 9,711,929.60 : x
  2. Step 2: Convert to fraction form
    15,459,948.80/23,189,923.20 = 9,711,929.60/x
  3. Step 3: Cross multiply
    15,459,948.80x = 23,189,923.20 × 9,711,929.60
  4. Step 4: Simplify right side
    15,459,948.80x = 225,218,901,547,806.72
  5. Step 5: Solve for x
    x = 225,218,901,547,806.72/15,459,948.80
  6. Step 6: Final answer
    x = 14,567,894.40

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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.