Home / 21,804,703.20-32,707,054.80-7,443,986.40

Finding the Fourth Proportional to 21,804,703.20, 32,707,054.80 and 7,443,986.40

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Solution

The fourth proportional to 21,804,703.20, 32,707,054.80 and 7,443,986.40 is: 11,165,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804,703.20 : 32,707,054.80 = 7,443,986.40 : x
  2. Step 2: Convert to fraction form
    21,804,703.20/32,707,054.80 = 7,443,986.40/x
  3. Step 3: Cross multiply
    21,804,703.20x = 32,707,054.80 × 7,443,986.40
  4. Step 4: Simplify right side
    21,804,703.20x = 243,470,871,115,254.75
  5. Step 5: Solve for x
    x = 243,470,871,115,254.75/21,804,703.20
  6. Step 6: Final answer
    x = 11,165,979.60

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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.