Home / 13,032,806.61-17,985,397.12-7,232,128.10

Finding the Fourth Proportional to 13,032,806.61, 17,985,397.12 and 7,232,128.10

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Solution

The fourth proportional to 13,032,806.61, 17,985,397.12 and 7,232,128.10 is: 9,980,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032,806.61 : 17,985,397.12 = 7,232,128.10 : x
  2. Step 2: Convert to fraction form
    13,032,806.61/17,985,397.12 = 7,232,128.10/x
  3. Step 3: Cross multiply
    13,032,806.61x = 17,985,397.12 × 7,232,128.10
  4. Step 4: Simplify right side
    13,032,806.61x = 130,072,695,811,284.09
  5. Step 5: Solve for x
    x = 130,072,695,811,284.09/13,032,806.61
  6. Step 6: Final answer
    x = 9,980,405.58

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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.