Home / 14,242,864.89-19,655,126.96-7,716,656.55

Finding the Fourth Proportional to 14,242,864.89, 19,655,126.96 and 7,716,656.55

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Solution

The fourth proportional to 14,242,864.89, 19,655,126.96 and 7,716,656.55 is: 10,648,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242,864.89 : 19,655,126.96 = 7,716,656.55 : x
  2. Step 2: Convert to fraction form
    14,242,864.89/19,655,126.96 = 7,716,656.55/x
  3. Step 3: Cross multiply
    14,242,864.89x = 19,655,126.96 × 7,716,656.55
  4. Step 4: Simplify right side
    14,242,864.89x = 151,671,864,158,382.28
  5. Step 5: Solve for x
    x = 151,671,864,158,382.28/14,242,864.89
  6. Step 6: Final answer
    x = 10,648,971.63

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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.