Home / 12,930,955.12-17,849,042.18-7,705,602.36

Finding the Fourth Proportional to 12,930,955.12, 17,849,042.18 and 7,705,602.36

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Solution

The fourth proportional to 12,930,955.12, 17,849,042.18 and 7,705,602.36 is: 10,636,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930,955.12 : 17,849,042.18 = 7,705,602.36 : x
  2. Step 2: Convert to fraction form
    12,930,955.12/17,849,042.18 = 7,705,602.36/x
  3. Step 3: Cross multiply
    12,930,955.12x = 17,849,042.18 × 7,705,602.36
  4. Step 4: Simplify right side
    12,930,955.12x = 137,537,621,545,947.55
  5. Step 5: Solve for x
    x = 137,537,621,545,947.55/12,930,955.12
  6. Step 6: Final answer
    x = 10,636,308.01

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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.