Home / 28,547,532-39,394,538.76-15,494,510.40

Finding the Fourth Proportional to 28,547,532, 39,394,538.76 and 15,494,510.40

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Solution

The fourth proportional to 28,547,532, 39,394,538.76 and 15,494,510.40 is: 21,381,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,532 : 39,394,538.76 = 15,494,510.40 : x
  2. Step 2: Convert to fraction form
    28,547,532/39,394,538.76 = 15,494,510.40/x
  3. Step 3: Cross multiply
    28,547,532x = 39,394,538.76 × 15,494,510.40
  4. Step 4: Simplify right side
    28,547,532x = 610,399,090,520,023.12
  5. Step 5: Solve for x
    x = 610,399,090,520,023.12/28,547,532
  6. Step 6: Final answer
    x = 21,381,851.52

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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.