Home / 21,295,852.80-31,943,779.20-6,150,278.40

Finding the Fourth Proportional to 21,295,852.80, 31,943,779.20 and 6,150,278.40

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Solution

The fourth proportional to 21,295,852.80, 31,943,779.20 and 6,150,278.40 is: 9,225,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,852.80 : 31,943,779.20 = 6,150,278.40 : x
  2. Step 2: Convert to fraction form
    21,295,852.80/31,943,779.20 = 6,150,278.40/x
  3. Step 3: Cross multiply
    21,295,852.80x = 31,943,779.20 × 6,150,278.40
  4. Step 4: Simplify right side
    21,295,852.80x = 196,463,135,228,129.28
  5. Step 5: Solve for x
    x = 196,463,135,228,129.28/21,295,852.80
  6. Step 6: Final answer
    x = 9,225,417.60

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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.