Home / 13,292,261.60-19,938,392.40-4,317,720.80

Finding the Fourth Proportional to 13,292,261.60, 19,938,392.40 and 4,317,720.80

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Solution

The fourth proportional to 13,292,261.60, 19,938,392.40 and 4,317,720.80 is: 6,476,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,261.60 : 19,938,392.40 = 4,317,720.80 : x
  2. Step 2: Convert to fraction form
    13,292,261.60/19,938,392.40 = 4,317,720.80/x
  3. Step 3: Cross multiply
    13,292,261.60x = 19,938,392.40 × 4,317,720.80
  4. Step 4: Simplify right side
    13,292,261.60x = 86,088,411,584,041.91
  5. Step 5: Solve for x
    x = 86,088,411,584,041.91/13,292,261.60
  6. Step 6: Final answer
    x = 6,476,581.20

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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.