Home / 10,358,800.89-14,290,610.27-9,878,535.69

Finding the Fourth Proportional to 10,358,800.89, 14,290,610.27 and 9,878,535.69

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Solution

The fourth proportional to 10,358,800.89, 14,290,610.27 and 9,878,535.69 is: 13,628,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,800.89 : 14,290,610.27 = 9,878,535.69 : x
  2. Step 2: Convert to fraction form
    10,358,800.89/14,290,610.27 = 9,878,535.69/x
  3. Step 3: Cross multiply
    10,358,800.89x = 14,290,610.27 × 9,878,535.69
  4. Step 4: Simplify right side
    10,358,800.89x = 141,170,303,534,682.84
  5. Step 5: Solve for x
    x = 141,170,303,534,682.84/10,358,800.89
  6. Step 6: Final answer
    x = 13,628,054.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.