Home / 21,806,111.20-32,709,166.80-7,445,394.40

Finding the Fourth Proportional to 21,806,111.20, 32,709,166.80 and 7,445,394.40

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Solution

The fourth proportional to 21,806,111.20, 32,709,166.80 and 7,445,394.40 is: 11,168,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,111.20 : 32,709,166.80 = 7,445,394.40 : x
  2. Step 2: Convert to fraction form
    21,806,111.20/32,709,166.80 = 7,445,394.40/x
  3. Step 3: Cross multiply
    21,806,111.20x = 32,709,166.80 × 7,445,394.40
  4. Step 4: Simplify right side
    21,806,111.20x = 243,532,647,321,385.94
  5. Step 5: Solve for x
    x = 243,532,647,321,385.94/21,806,111.20
  6. Step 6: Final answer
    x = 11,168,091.60

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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.