Home / 30,563,911.51-42,178,420.23-16,625,386.96

Finding the Fourth Proportional to 30,563,911.51, 42,178,420.23 and 16,625,386.96

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Solution

The fourth proportional to 30,563,911.51, 42,178,420.23 and 16,625,386.96 is: 22,943,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563,911.51 : 42,178,420.23 = 16,625,386.96 : x
  2. Step 2: Convert to fraction form
    30,563,911.51/42,178,420.23 = 16,625,386.96/x
  3. Step 3: Cross multiply
    30,563,911.51x = 42,178,420.23 × 16,625,386.96
  4. Step 4: Simplify right side
    30,563,911.51x = 701,232,557,685,242.12
  5. Step 5: Solve for x
    x = 701,232,557,685,242.12/30,563,911.51
  6. Step 6: Final answer
    x = 22,943,154.95

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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.