Home / 6,938,969.07-9,576,779.40-3,998,223.18

Finding the Fourth Proportional to 6,938,969.07, 9,576,779.40 and 3,998,223.18

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Solution

The fourth proportional to 6,938,969.07, 9,576,779.40 and 3,998,223.18 is: 5,518,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938,969.07 : 9,576,779.40 = 3,998,223.18 : x
  2. Step 2: Convert to fraction form
    6,938,969.07/9,576,779.40 = 3,998,223.18/x
  3. Step 3: Cross multiply
    6,938,969.07x = 9,576,779.40 × 3,998,223.18
  4. Step 4: Simplify right side
    6,938,969.07x = 38,290,101,386,826.49
  5. Step 5: Solve for x
    x = 38,290,101,386,826.49/6,938,969.07
  6. Step 6: Final answer
    x = 5,518,125.39

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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.