Home / 12,865,457.18-17,754,330.98-7,064,238.94

Finding the Fourth Proportional to 12,865,457.18, 17,754,330.98 and 7,064,238.94

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Solution

The fourth proportional to 12,865,457.18, 17,754,330.98 and 7,064,238.94 is: 9,748,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,457.18 : 17,754,330.98 = 7,064,238.94 : x
  2. Step 2: Convert to fraction form
    12,865,457.18/17,754,330.98 = 7,064,238.94/x
  3. Step 3: Cross multiply
    12,865,457.18x = 17,754,330.98 × 7,064,238.94
  4. Step 4: Simplify right side
    12,865,457.18x = 125,420,836,262,564.38
  5. Step 5: Solve for x
    x = 125,420,836,262,564.38/12,865,457.18
  6. Step 6: Final answer
    x = 9,748,649.78

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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.