Home / 8,065,913.40-12,098,870.10-5,079,929.40

Finding the Fourth Proportional to 8,065,913.40, 12,098,870.10 and 5,079,929.40

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Solution

The fourth proportional to 8,065,913.40, 12,098,870.10 and 5,079,929.40 is: 7,619,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,913.40 : 12,098,870.10 = 5,079,929.40 : x
  2. Step 2: Convert to fraction form
    8,065,913.40/12,098,870.10 = 5,079,929.40/x
  3. Step 3: Cross multiply
    8,065,913.40x = 12,098,870.10 × 5,079,929.40
  4. Step 4: Simplify right side
    8,065,913.40x = 61,461,405,927,770.95
  5. Step 5: Solve for x
    x = 61,461,405,927,770.95/8,065,913.40
  6. Step 6: Final answer
    x = 7,619,894.10

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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.