Home / 10,359,901.80-15,539,852.70-9,772,036.20

Finding the Fourth Proportional to 10,359,901.80, 15,539,852.70 and 9,772,036.20

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Solution

The fourth proportional to 10,359,901.80, 15,539,852.70 and 9,772,036.20 is: 14,658,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,901.80 : 15,539,852.70 = 9,772,036.20 : x
  2. Step 2: Convert to fraction form
    10,359,901.80/15,539,852.70 = 9,772,036.20/x
  3. Step 3: Cross multiply
    10,359,901.80x = 15,539,852.70 × 9,772,036.20
  4. Step 4: Simplify right side
    10,359,901.80x = 151,856,003,127,067.72
  5. Step 5: Solve for x
    x = 151,856,003,127,067.72/10,359,901.80
  6. Step 6: Final answer
    x = 14,658,054.30

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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.