Home / 9,720,038.40-14,580,057.60-9,578,320.80

Finding the Fourth Proportional to 9,720,038.40, 14,580,057.60 and 9,578,320.80

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Solution

The fourth proportional to 9,720,038.40, 14,580,057.60 and 9,578,320.80 is: 14,367,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,038.40 : 14,580,057.60 = 9,578,320.80 : x
  2. Step 2: Convert to fraction form
    9,720,038.40/14,580,057.60 = 9,578,320.80/x
  3. Step 3: Cross multiply
    9,720,038.40x = 14,580,057.60 × 9,578,320.80
  4. Step 4: Simplify right side
    9,720,038.40x = 139,652,468,975,278.09
  5. Step 5: Solve for x
    x = 139,652,468,975,278.09/9,720,038.40
  6. Step 6: Final answer
    x = 14,367,481.20

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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.