Home / 21,989,319.53-32,993,127.56-9,686,986.63

Finding the Fourth Proportional to 21,989,319.53, 32,993,127.56 and 9,686,986.63

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Solution

The fourth proportional to 21,989,319.53, 32,993,127.56 and 9,686,986.63 is: 14,534,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,319.53 : 32,993,127.56 = 9,686,986.63 : x
  2. Step 2: Convert to fraction form
    21,989,319.53/32,993,127.56 = 9,686,986.63/x
  3. Step 3: Cross multiply
    21,989,319.53x = 32,993,127.56 × 9,686,986.63
  4. Step 4: Simplify right side
    21,989,319.53x = 319,603,985,497,339.12
  5. Step 5: Solve for x
    x = 319,603,985,497,339.12/21,989,319.53
  6. Step 6: Final answer
    x = 14,534,510.04

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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.