Home / 30,518,530.02-42,115,621.41-16,579,939.86

Finding the Fourth Proportional to 30,518,530.02, 42,115,621.41 and 16,579,939.86

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Solution

The fourth proportional to 30,518,530.02, 42,115,621.41 and 16,579,939.86 is: 22,880,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518,530.02 : 42,115,621.41 = 16,579,939.86 : x
  2. Step 2: Convert to fraction form
    30,518,530.02/42,115,621.41 = 16,579,939.86/x
  3. Step 3: Cross multiply
    30,518,530.02x = 42,115,621.41 × 16,579,939.86
  4. Step 4: Simplify right side
    30,518,530.02x = 698,274,470,144,328.38
  5. Step 5: Solve for x
    x = 698,274,470,144,328.38/30,518,530.02
  6. Step 6: Final answer
    x = 22,880,344.16

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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.