Home / 19,908,007.80-29,862,011.70-9,830,311.80

Finding the Fourth Proportional to 19,908,007.80, 29,862,011.70 and 9,830,311.80

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Solution

The fourth proportional to 19,908,007.80, 29,862,011.70 and 9,830,311.80 is: 14,745,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908,007.80 : 29,862,011.70 = 9,830,311.80 : x
  2. Step 2: Convert to fraction form
    19,908,007.80/29,862,011.70 = 9,830,311.80/x
  3. Step 3: Cross multiply
    19,908,007.80x = 29,862,011.70 × 9,830,311.80
  4. Step 4: Simplify right side
    19,908,007.80x = 293,552,885,986,248.06
  5. Step 5: Solve for x
    x = 293,552,885,986,248.06/19,908,007.80
  6. Step 6: Final answer
    x = 14,745,467.70

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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.