Home / 9,926,890.80-14,890,336.20-8,919,121.20

Finding the Fourth Proportional to 9,926,890.80, 14,890,336.20 and 8,919,121.20

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Solution

The fourth proportional to 9,926,890.80, 14,890,336.20 and 8,919,121.20 is: 13,378,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926,890.80 : 14,890,336.20 = 8,919,121.20 : x
  2. Step 2: Convert to fraction form
    9,926,890.80/14,890,336.20 = 8,919,121.20/x
  3. Step 3: Cross multiply
    9,926,890.80x = 14,890,336.20 × 8,919,121.20
  4. Step 4: Simplify right side
    9,926,890.80x = 132,808,713,276,547.42
  5. Step 5: Solve for x
    x = 132,808,713,276,547.42/9,926,890.80
  6. Step 6: Final answer
    x = 13,378,681.80

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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.