Home / 23,090,669.96-31,865,407.98-12,778,352.60

Finding the Fourth Proportional to 23,090,669.96, 31,865,407.98 and 12,778,352.60

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Solution

The fourth proportional to 23,090,669.96, 31,865,407.98 and 12,778,352.60 is: 17,634,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090,669.96 : 31,865,407.98 = 12,778,352.60 : x
  2. Step 2: Convert to fraction form
    23,090,669.96/31,865,407.98 = 12,778,352.60/x
  3. Step 3: Cross multiply
    23,090,669.96x = 31,865,407.98 × 12,778,352.60
  4. Step 4: Simplify right side
    23,090,669.96x = 407,187,418,911,293.75
  5. Step 5: Solve for x
    x = 407,187,418,911,293.75/23,090,669.96
  6. Step 6: Final answer
    x = 17,634,283.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.