Home / 28,025,457.05-38,675,154.81-15,635,552.39

Finding the Fourth Proportional to 28,025,457.05, 38,675,154.81 and 15,635,552.39

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Solution

The fourth proportional to 28,025,457.05, 38,675,154.81 and 15,635,552.39 is: 21,577,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,457.05 : 38,675,154.81 = 15,635,552.39 : x
  2. Step 2: Convert to fraction form
    28,025,457.05/38,675,154.81 = 15,635,552.39/x
  3. Step 3: Cross multiply
    28,025,457.05x = 38,675,154.81 × 15,635,552.39
  4. Step 4: Simplify right side
    28,025,457.05x = 604,707,409,319,803.38
  5. Step 5: Solve for x
    x = 604,707,409,319,803.38/28,025,457.05
  6. Step 6: Final answer
    x = 21,577,075.73

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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.