Home / 12,947,366.95-17,866,094.31-7,145,775.02

Finding the Fourth Proportional to 12,947,366.95, 17,866,094.31 and 7,145,775.02

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Solution

The fourth proportional to 12,947,366.95, 17,866,094.31 and 7,145,775.02 is: 9,860,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,366.95 : 17,866,094.31 = 7,145,775.02 : x
  2. Step 2: Convert to fraction form
    12,947,366.95/17,866,094.31 = 7,145,775.02/x
  3. Step 3: Cross multiply
    12,947,366.95x = 17,866,094.31 × 7,145,775.02
  4. Step 4: Simplify right side
    12,947,366.95x = 127,667,090,470,027.36
  5. Step 5: Solve for x
    x = 127,667,090,470,027.36/12,947,366.95
  6. Step 6: Final answer
    x = 9,860,467.46

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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.