Home / 13,292,281.60-19,938,422.40-4,317,740.80

Finding the Fourth Proportional to 13,292,281.60, 19,938,422.40 and 4,317,740.80

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Solution

The fourth proportional to 13,292,281.60, 19,938,422.40 and 4,317,740.80 is: 6,476,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,281.60 : 19,938,422.40 = 4,317,740.80 : x
  2. Step 2: Convert to fraction form
    13,292,281.60/19,938,422.40 = 4,317,740.80/x
  3. Step 3: Cross multiply
    13,292,281.60x = 19,938,422.40 × 4,317,740.80
  4. Step 4: Simplify right side
    13,292,281.60x = 86,088,939,884,113.91
  5. Step 5: Solve for x
    x = 86,088,939,884,113.91/13,292,281.60
  6. Step 6: Final answer
    x = 6,476,611.20

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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.