Home / 13,011,231.50-17,955,605.02-7,210,110.20

Finding the Fourth Proportional to 13,011,231.50, 17,955,605.02 and 7,210,110.20

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Solution

The fourth proportional to 13,011,231.50, 17,955,605.02 and 7,210,110.20 is: 9,950,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,231.50 : 17,955,605.02 = 7,210,110.20 : x
  2. Step 2: Convert to fraction form
    13,011,231.50/17,955,605.02 = 7,210,110.20/x
  3. Step 3: Cross multiply
    13,011,231.50x = 17,955,605.02 × 7,210,110.20
  4. Step 4: Simplify right side
    13,011,231.50x = 129,461,890,901,873.20
  5. Step 5: Solve for x
    x = 129,461,890,901,873.20/13,011,231.50
  6. Step 6: Final answer
    x = 9,950,010.57

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1.5x scale

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.