Home / 21,554,645.60-32,331,968.40-19,428,881.60

Finding the Fourth Proportional to 21,554,645.60, 32,331,968.40 and 19,428,881.60

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Solution

The fourth proportional to 21,554,645.60, 32,331,968.40 and 19,428,881.60 is: 29,143,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,645.60 : 32,331,968.40 = 19,428,881.60 : x
  2. Step 2: Convert to fraction form
    21,554,645.60/32,331,968.40 = 19,428,881.60/x
  3. Step 3: Cross multiply
    21,554,645.60x = 32,331,968.40 × 19,428,881.60
  4. Step 4: Simplify right side
    21,554,645.60x = 628,173,985,938,541.50
  5. Step 5: Solve for x
    x = 628,173,985,938,541.50/21,554,645.60
  6. Step 6: Final answer
    x = 29,143,322.40

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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.