Home / 12,817,113.23-17,687,175.77-7,312,270.07

Finding the Fourth Proportional to 12,817,113.23, 17,687,175.77 and 7,312,270.07

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Solution

The fourth proportional to 12,817,113.23, 17,687,175.77 and 7,312,270.07 is: 10,090,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,113.23 : 17,687,175.77 = 7,312,270.07 : x
  2. Step 2: Convert to fraction form
    12,817,113.23/17,687,175.77 = 7,312,270.07/x
  3. Step 3: Cross multiply
    12,817,113.23x = 17,687,175.77 × 7,312,270.07
  4. Step 4: Simplify right side
    12,817,113.23x = 129,333,405,880,802.98
  5. Step 5: Solve for x
    x = 129,333,405,880,802.98/12,817,113.23
  6. Step 6: Final answer
    x = 10,090,681.39

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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.