Home / 12,923,547.25-17,834,495.30-7,122,329.06

Finding the Fourth Proportional to 12,923,547.25, 17,834,495.30 and 7,122,329.06

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Solution

The fourth proportional to 12,923,547.25, 17,834,495.30 and 7,122,329.06 is: 9,828,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,547.25 : 17,834,495.30 = 7,122,329.06 : x
  2. Step 2: Convert to fraction form
    12,923,547.25/17,834,495.30 = 7,122,329.06/x
  3. Step 3: Cross multiply
    12,923,547.25x = 17,834,495.30 × 7,122,329.06
  4. Step 4: Simplify right side
    12,923,547.25x = 127,023,144,087,611.12
  5. Step 5: Solve for x
    x = 127,023,144,087,611.12/12,923,547.25
  6. Step 6: Final answer
    x = 9,828,814.15

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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.