Home / 9,686,113.31-13,365,671.78-5,555,931.01

Finding the Fourth Proportional to 9,686,113.31, 13,365,671.78 and 5,555,931.01

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Solution

The fourth proportional to 9,686,113.31, 13,365,671.78 and 5,555,931.01 is: 7,666,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,113.31 : 13,365,671.78 = 5,555,931.01 : x
  2. Step 2: Convert to fraction form
    9,686,113.31/13,365,671.78 = 5,555,931.01/x
  3. Step 3: Cross multiply
    9,686,113.31x = 13,365,671.78 × 5,555,931.01
  4. Step 4: Simplify right side
    9,686,113.31x = 74,258,750,292,459.55
  5. Step 5: Solve for x
    x = 74,258,750,292,459.55/9,686,113.31
  6. Step 6: Final answer
    x = 7,666,516.79

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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.