Home / 15,042,669.79-20,712,403.54-11,748,271.41

Finding the Fourth Proportional to 15,042,669.79, 20,712,403.54 and 11,748,271.41

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Solution

The fourth proportional to 15,042,669.79, 20,712,403.54 and 11,748,271.41 is: 16,176,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042,669.79 : 20,712,403.54 = 11,748,271.41 : x
  2. Step 2: Convert to fraction form
    15,042,669.79/20,712,403.54 = 11,748,271.41/x
  3. Step 3: Cross multiply
    15,042,669.79x = 20,712,403.54 × 11,748,271.41
  4. Step 4: Simplify right side
    15,042,669.79x = 243,334,938,341,364.78
  5. Step 5: Solve for x
    x = 243,334,938,341,364.78/15,042,669.79
  6. Step 6: Final answer
    x = 16,176,313.23

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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.