Home / 13,501,775.04-18,632,624.56-7,390,072.32

Finding the Fourth Proportional to 13,501,775.04, 18,632,624.56 and 7,390,072.32

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Solution

The fourth proportional to 13,501,775.04, 18,632,624.56 and 7,390,072.32 is: 10,198,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,775.04 : 18,632,624.56 = 7,390,072.32 : x
  2. Step 2: Convert to fraction form
    13,501,775.04/18,632,624.56 = 7,390,072.32/x
  3. Step 3: Cross multiply
    13,501,775.04x = 18,632,624.56 × 7,390,072.32
  4. Step 4: Simplify right side
    13,501,775.04x = 137,696,443,009,808.17
  5. Step 5: Solve for x
    x = 137,696,443,009,808.17/13,501,775.04
  6. Step 6: Final answer
    x = 10,198,395.59

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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.