Home / 12,117,168.48-16,721,739.45-6,610,666.98

Finding the Fourth Proportional to 12,117,168.48, 16,721,739.45 and 6,610,666.98

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Solution

The fourth proportional to 12,117,168.48, 16,721,739.45 and 6,610,666.98 is: 9,122,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,168.48 : 16,721,739.45 = 6,610,666.98 : x
  2. Step 2: Convert to fraction form
    12,117,168.48/16,721,739.45 = 6,610,666.98/x
  3. Step 3: Cross multiply
    12,117,168.48x = 16,721,739.45 × 6,610,666.98
  4. Step 4: Simplify right side
    12,117,168.48x = 110,541,850,830,278.36
  5. Step 5: Solve for x
    x = 110,541,850,830,278.36/12,117,168.48
  6. Step 6: Final answer
    x = 9,122,746.05

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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.