Home / 31,507,310.70-47,260,966.05-26,636,424.30

Finding the Fourth Proportional to 31,507,310.70, 47,260,966.05 and 26,636,424.30

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Solution

The fourth proportional to 31,507,310.70, 47,260,966.05 and 26,636,424.30 is: 39,954,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,310.70 : 47,260,966.05 = 26,636,424.30 : x
  2. Step 2: Convert to fraction form
    31,507,310.70/47,260,966.05 = 26,636,424.30/x
  3. Step 3: Cross multiply
    31,507,310.70x = 47,260,966.05 × 26,636,424.30
  4. Step 4: Simplify right side
    31,507,310.70x = 1,258,863,144,535,695
  5. Step 5: Solve for x
    x = 1,258,863,144,535,695/31,507,310.70
  6. Step 6: Final answer
    x = 39,954,636.45

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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.