Home / 12,574,353.22-18,823,935.30-7,701,316.06

Finding the Fourth Proportional to 12,574,353.22, 18,823,935.30 and 7,701,316.06

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Solution

The fourth proportional to 12,574,353.22, 18,823,935.30 and 7,701,316.06 is: 11,528,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,353.22 : 18,823,935.30 = 7,701,316.06 : x
  2. Step 2: Convert to fraction form
    12,574,353.22/18,823,935.30 = 7,701,316.06/x
  3. Step 3: Cross multiply
    12,574,353.22x = 18,823,935.30 × 7,701,316.06
  4. Step 4: Simplify right side
    12,574,353.22x = 144,969,075,238,290.91
  5. Step 5: Solve for x
    x = 144,969,075,238,290.91/12,574,353.22
  6. Step 6: Final answer
    x = 11,528,948.86

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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.