Home / 30,518,501.37-42,115,581.83-16,579,911.11

Finding the Fourth Proportional to 30,518,501.37, 42,115,581.83 and 16,579,911.11

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Solution

The fourth proportional to 30,518,501.37, 42,115,581.83 and 16,579,911.11 is: 22,880,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518,501.37 : 42,115,581.83 = 16,579,911.11 : x
  2. Step 2: Convert to fraction form
    30,518,501.37/42,115,581.83 = 16,579,911.11/x
  3. Step 3: Cross multiply
    30,518,501.37x = 42,115,581.83 × 16,579,911.11
  4. Step 4: Simplify right side
    30,518,501.37x = 698,272,603,108,480.38
  5. Step 5: Solve for x
    x = 698,272,603,108,480.38/30,518,501.37
  6. Step 6: Final answer
    x = 22,880,304.46

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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.