Home / 9,720,032.40-14,580,048.60-7,200,608.40

Finding the Fourth Proportional to 9,720,032.40, 14,580,048.60 and 7,200,608.40

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Solution

The fourth proportional to 9,720,032.40, 14,580,048.60 and 7,200,608.40 is: 10,800,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,032.40 : 14,580,048.60 = 7,200,608.40 : x
  2. Step 2: Convert to fraction form
    9,720,032.40/14,580,048.60 = 7,200,608.40/x
  3. Step 3: Cross multiply
    9,720,032.40x = 14,580,048.60 × 7,200,608.40
  4. Step 4: Simplify right side
    9,720,032.40x = 104,985,220,421,568.25
  5. Step 5: Solve for x
    x = 104,985,220,421,568.25/9,720,032.40
  6. Step 6: Final answer
    x = 10,800,912.60

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1.5x scale

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.