Home / 13,656,453.48-18,845,926.08-7,776,092.46

Finding the Fourth Proportional to 13,656,453.48, 18,845,926.08 and 7,776,092.46

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Solution

The fourth proportional to 13,656,453.48, 18,845,926.08 and 7,776,092.46 is: 10,731,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,453.48 : 18,845,926.08 = 7,776,092.46 : x
  2. Step 2: Convert to fraction form
    13,656,453.48/18,845,926.08 = 7,776,092.46/x
  3. Step 3: Cross multiply
    13,656,453.48x = 18,845,926.08 × 7,776,092.46
  4. Step 4: Simplify right side
    13,656,453.48x = 146,547,663,692,405.34
  5. Step 5: Solve for x
    x = 146,547,663,692,405.34/13,656,453.48
  6. Step 6: Final answer
    x = 10,731,019.14

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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.