Home / 30,688,283.88-42,349,623.39-16,937,247.96

Finding the Fourth Proportional to 30,688,283.88, 42,349,623.39 and 16,937,247.96

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Solution

The fourth proportional to 30,688,283.88, 42,349,623.39 and 16,937,247.96 is: 23,373,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,283.88 : 42,349,623.39 = 16,937,247.96 : x
  2. Step 2: Convert to fraction form
    30,688,283.88/42,349,623.39 = 16,937,247.96/x
  3. Step 3: Cross multiply
    30,688,283.88x = 42,349,623.39 × 16,937,247.96
  4. Step 4: Simplify right side
    30,688,283.88x = 717,286,072,369,045.88
  5. Step 5: Solve for x
    x = 717,286,072,369,045.88/30,688,283.88
  6. Step 6: Final answer
    x = 23,373,287.19

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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.