Home / 30,644,366.95-42,289,695.56-16,705,730.21

Finding the Fourth Proportional to 30,644,366.95, 42,289,695.56 and 16,705,730.21

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Solution

The fourth proportional to 30,644,366.95, 42,289,695.56 and 16,705,730.21 is: 23,054,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644,366.95 : 42,289,695.56 = 16,705,730.21 : x
  2. Step 2: Convert to fraction form
    30,644,366.95/42,289,695.56 = 16,705,730.21/x
  3. Step 3: Cross multiply
    30,644,366.95x = 42,289,695.56 × 16,705,730.21
  4. Step 4: Simplify right side
    30,644,366.95x = 706,480,244,604,866.25
  5. Step 5: Solve for x
    x = 706,480,244,604,866.25/30,644,366.95
  6. Step 6: Final answer
    x = 23,054,163.46

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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.