Home / 28,617,080.07-39,492,070.47-15,564,427.56

Finding the Fourth Proportional to 28,617,080.07, 39,492,070.47 and 15,564,427.56

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Solution

The fourth proportional to 28,617,080.07, 39,492,070.47 and 15,564,427.56 is: 21,479,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617,080.07 : 39,492,070.47 = 15,564,427.56 : x
  2. Step 2: Convert to fraction form
    28,617,080.07/39,492,070.47 = 15,564,427.56/x
  3. Step 3: Cross multiply
    28,617,080.07x = 39,492,070.47 × 15,564,427.56
  4. Step 4: Simplify right side
    28,617,080.07x = 614,671,470,024,730.12
  5. Step 5: Solve for x
    x = 614,671,470,024,730.12/28,617,080.07
  6. Step 6: Final answer
    x = 21,479,181.96

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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.