Home / 21,723,962.40-32,585,943.60-6,578,647.20

Finding the Fourth Proportional to 21,723,962.40, 32,585,943.60 and 6,578,647.20

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Solution

The fourth proportional to 21,723,962.40, 32,585,943.60 and 6,578,647.20 is: 9,867,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,962.40 : 32,585,943.60 = 6,578,647.20 : x
  2. Step 2: Convert to fraction form
    21,723,962.40/32,585,943.60 = 6,578,647.20/x
  3. Step 3: Cross multiply
    21,723,962.40x = 32,585,943.60 × 6,578,647.20
  4. Step 4: Simplify right side
    21,723,962.40x = 214,371,426,623,497.94
  5. Step 5: Solve for x
    x = 214,371,426,623,497.94/21,723,962.40
  6. Step 6: Final answer
    x = 9,867,970.80

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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.