Home / 13,011,254.40-17,955,636.52-7,210,133.04

Finding the Fourth Proportional to 13,011,254.40, 17,955,636.52 and 7,210,133.04

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Solution

The fourth proportional to 13,011,254.40, 17,955,636.52 and 7,210,133.04 is: 9,950,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,254.40 : 17,955,636.52 = 7,210,133.04 : x
  2. Step 2: Convert to fraction form
    13,011,254.40/17,955,636.52 = 7,210,133.04/x
  3. Step 3: Cross multiply
    13,011,254.40x = 17,955,636.52 × 7,210,133.04
  4. Step 4: Simplify right side
    13,011,254.40x = 129,462,528,127,082.62
  5. Step 5: Solve for x
    x = 129,462,528,127,082.62/13,011,254.40
  6. Step 6: Final answer
    x = 9,950,042.03

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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.