Home / 12,865,472.68-17,754,352.38-7,064,254.45

Finding the Fourth Proportional to 12,865,472.68, 17,754,352.38 and 7,064,254.45

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Solution

The fourth proportional to 12,865,472.68, 17,754,352.38 and 7,064,254.45 is: 9,748,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,472.68 : 17,754,352.38 = 7,064,254.45 : x
  2. Step 2: Convert to fraction form
    12,865,472.68/17,754,352.38 = 7,064,254.45/x
  3. Step 3: Cross multiply
    12,865,472.68x = 17,754,352.38 × 7,064,254.45
  4. Step 4: Simplify right side
    12,865,472.68x = 125,421,262,807,283.09
  5. Step 5: Solve for x
    x = 125,421,262,807,283.09/12,865,472.68
  6. Step 6: Final answer
    x = 9,748,671.19

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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.