Home / 12,500,681.32-17,249,897.46-11,586,690.28

Finding the Fourth Proportional to 12,500,681.32, 17,249,897.46 and 11,586,690.28

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Solution

The fourth proportional to 12,500,681.32, 17,249,897.46 and 11,586,690.28 is: 15,988,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,681.32 : 17,249,897.46 = 11,586,690.28 : x
  2. Step 2: Convert to fraction form
    12,500,681.32/17,249,897.46 = 11,586,690.28/x
  3. Step 3: Cross multiply
    12,500,681.32x = 17,249,897.46 × 11,586,690.28
  4. Step 4: Simplify right side
    12,500,681.32x = 199,869,219,230,778.69
  5. Step 5: Solve for x
    x = 199,869,219,230,778.69/12,500,681.32
  6. Step 6: Final answer
    x = 15,988,666.07

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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.