Home / 56,905,886.36-85,359,053.64-13,775,020.46

Finding the Fourth Proportional to 56,905,886.36, 85,359,053.64 and 13,775,020.46

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Solution

The fourth proportional to 56,905,886.36, 85,359,053.64 and 13,775,020.46 is: 20,662,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905,886.36 : 85,359,053.64 = 13,775,020.46 : x
  2. Step 2: Convert to fraction form
    56,905,886.36/85,359,053.64 = 13,775,020.46/x
  3. Step 3: Cross multiply
    56,905,886.36x = 85,359,053.64 × 13,775,020.46
  4. Step 4: Simplify right side
    56,905,886.36x = 1,175,822,710,337,237.50
  5. Step 5: Solve for x
    x = 1,175,822,710,337,237.50/56,905,886.36
  6. Step 6: Final answer
    x = 20,662,584.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.