Home / 30,563,909.51-42,178,417.47-16,625,384.96

Finding the Fourth Proportional to 30,563,909.51, 42,178,417.47 and 16,625,384.96

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Solution

The fourth proportional to 30,563,909.51, 42,178,417.47 and 16,625,384.96 is: 22,943,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563,909.51 : 42,178,417.47 = 16,625,384.96 : x
  2. Step 2: Convert to fraction form
    30,563,909.51/42,178,417.47 = 16,625,384.96/x
  3. Step 3: Cross multiply
    30,563,909.51x = 42,178,417.47 × 16,625,384.96
  4. Step 4: Simplify right side
    30,563,909.51x = 701,232,427,231,447.12
  5. Step 5: Solve for x
    x = 701,232,427,231,447.12/30,563,909.51
  6. Step 6: Final answer
    x = 22,943,152.19

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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.