Home / 14,967,510.48-20,655,166.05-8,091,990.72

Finding the Fourth Proportional to 14,967,510.48, 20,655,166.05 and 8,091,990.72

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Solution

The fourth proportional to 14,967,510.48, 20,655,166.05 and 8,091,990.72 is: 11,166,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967,510.48 : 20,655,166.05 = 8,091,990.72 : x
  2. Step 2: Convert to fraction form
    14,967,510.48/20,655,166.05 = 8,091,990.72/x
  3. Step 3: Cross multiply
    14,967,510.48x = 20,655,166.05 × 8,091,990.72
  4. Step 4: Simplify right side
    14,967,510.48x = 167,141,411,996,659.06
  5. Step 5: Solve for x
    x = 167,141,411,996,659.06/14,967,510.48
  6. Step 6: Final answer
    x = 11,166,948.05

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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.