Home / 12,866,117.12-17,754,446.40-7,064,875.52

Finding the Fourth Proportional to 12,866,117.12, 17,754,446.40 and 7,064,875.52

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Solution

The fourth proportional to 12,866,117.12, 17,754,446.40 and 7,064,875.52 is: 9,749,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,117.12 : 17,754,446.40 = 7,064,875.52 : x
  2. Step 2: Convert to fraction form
    12,866,117.12/17,754,446.40 = 7,064,875.52/x
  3. Step 3: Cross multiply
    12,866,117.12x = 17,754,446.40 × 7,064,875.52
  4. Step 4: Simplify right side
    12,866,117.12x = 125,432,953,742,512.11
  5. Step 5: Solve for x
    x = 125,432,953,742,512.11/12,866,117.12
  6. Step 6: Final answer
    x = 9,749,091.55

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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.