Home / 13,011,402.81-17,955,842.15-7,210,281.41

Finding the Fourth Proportional to 13,011,402.81, 17,955,842.15 and 7,210,281.41

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Solution

The fourth proportional to 13,011,402.81, 17,955,842.15 and 7,210,281.41 is: 9,950,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,402.81 : 17,955,842.15 = 7,210,281.41 : x
  2. Step 2: Convert to fraction form
    13,011,402.81/17,955,842.15 = 7,210,281.41/x
  3. Step 3: Cross multiply
    13,011,402.81x = 17,955,842.15 × 7,210,281.41
  4. Step 4: Simplify right side
    13,011,402.81x = 129,466,674,855,039.42
  5. Step 5: Solve for x
    x = 129,466,674,855,039.42/13,011,402.81
  6. Step 6: Final answer
    x = 9,950,247.24

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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.