Home / 31,507,316.70-47,260,975.05-26,636,430.30

Finding the Fourth Proportional to 31,507,316.70, 47,260,975.05 and 26,636,430.30

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Solution

The fourth proportional to 31,507,316.70, 47,260,975.05 and 26,636,430.30 is: 39,954,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,316.70 : 47,260,975.05 = 26,636,430.30 : x
  2. Step 2: Convert to fraction form
    31,507,316.70/47,260,975.05 = 26,636,430.30/x
  3. Step 3: Cross multiply
    31,507,316.70x = 47,260,975.05 × 26,636,430.30
  4. Step 4: Simplify right side
    31,507,316.70x = 1,258,863,667,829,364
  5. Step 5: Solve for x
    x = 1,258,863,667,829,364/31,507,316.70
  6. Step 6: Final answer
    x = 39,954,645.45

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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.