Home / 21,384,002.40-32,069,782.80-11,803,970.40

Finding the Fourth Proportional to 21,384,002.40, 32,069,782.80 and 11,803,970.40

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Solution

The fourth proportional to 21,384,002.40, 32,069,782.80 and 11,803,970.40 is: 17,702,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,002.40 : 32,069,782.80 = 11,803,970.40 : x
  2. Step 2: Convert to fraction form
    21,384,002.40/32,069,782.80 = 11,803,970.40/x
  3. Step 3: Cross multiply
    21,384,002.40x = 32,069,782.80 × 11,803,970.40
  4. Step 4: Simplify right side
    21,384,002.40x = 378,550,766,905,629.12
  5. Step 5: Solve for x
    x = 378,550,766,905,629.12/21,384,002.40
  6. Step 6: Final answer
    x = 17,702,521.72

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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.