Home / 9,686,108.07-13,365,664.55-5,555,925.77

Finding the Fourth Proportional to 9,686,108.07, 13,365,664.55 and 5,555,925.77

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Solution

The fourth proportional to 9,686,108.07, 13,365,664.55 and 5,555,925.77 is: 7,666,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,108.07 : 13,365,664.55 = 5,555,925.77 : x
  2. Step 2: Convert to fraction form
    9,686,108.07/13,365,664.55 = 5,555,925.77/x
  3. Step 3: Cross multiply
    9,686,108.07x = 13,365,664.55 × 5,555,925.77
  4. Step 4: Simplify right side
    9,686,108.07x = 74,258,640,011,912.50
  5. Step 5: Solve for x
    x = 74,258,640,011,912.50/9,686,108.07
  6. Step 6: Final answer
    x = 7,666,509.55

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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.