Home / 12,070,420.98-16,656,848.77-6,637,912.98

Finding the Fourth Proportional to 12,070,420.98, 16,656,848.77 and 6,637,912.98

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Solution

The fourth proportional to 12,070,420.98, 16,656,848.77 and 6,637,912.98 is: 9,160,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,420.98 : 16,656,848.77 = 6,637,912.98 : x
  2. Step 2: Convert to fraction form
    12,070,420.98/16,656,848.77 = 6,637,912.98/x
  3. Step 3: Cross multiply
    12,070,420.98x = 16,656,848.77 × 6,637,912.98
  4. Step 4: Simplify right side
    12,070,420.98x = 110,566,712,656,280.05
  5. Step 5: Solve for x
    x = 110,566,712,656,280.05/12,070,420.98
  6. Step 6: Final answer
    x = 9,160,137.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.