Home / 13,851,032.40-20,776,548.60-12,717,291.60

Finding the Fourth Proportional to 13,851,032.40, 20,776,548.60 and 12,717,291.60

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Solution

The fourth proportional to 13,851,032.40, 20,776,548.60 and 12,717,291.60 is: 19,075,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,032.40 : 20,776,548.60 = 12,717,291.60 : x
  2. Step 2: Convert to fraction form
    13,851,032.40/20,776,548.60 = 12,717,291.60/x
  3. Step 3: Cross multiply
    13,851,032.40x = 20,776,548.60 × 12,717,291.60
  4. Step 4: Simplify right side
    13,851,032.40x = 264,221,426,987,771.78
  5. Step 5: Solve for x
    x = 264,221,426,987,771.78/13,851,032.40
  6. Step 6: Final answer
    x = 19,075,937.40

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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.