Home / 31,920,040.40-47,886,281.40-13,724,200.40

Finding the Fourth Proportional to 31,920,040.40, 47,886,281.40 and 13,724,200.40

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Solution

The fourth proportional to 31,920,040.40, 47,886,281.40 and 13,724,200.40 is: 20,588,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,040.40 : 47,886,281.40 = 13,724,200.40 : x
  2. Step 2: Convert to fraction form
    31,920,040.40/47,886,281.40 = 13,724,200.40/x
  3. Step 3: Cross multiply
    31,920,040.40x = 47,886,281.40 × 13,724,200.40
  4. Step 4: Simplify right side
    31,920,040.40x = 657,200,922,344,392.50
  5. Step 5: Solve for x
    x = 657,200,922,344,392.50/31,920,040.40
  6. Step 6: Final answer
    x = 20,588,975.27

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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.