Home / 30,627,362.80-42,263,856.28-16,875,557.36

Finding the Fourth Proportional to 30,627,362.80, 42,263,856.28 and 16,875,557.36

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Solution

The fourth proportional to 30,627,362.80, 42,263,856.28 and 16,875,557.36 is: 23,287,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627,362.80 : 42,263,856.28 = 16,875,557.36 : x
  2. Step 2: Convert to fraction form
    30,627,362.80/42,263,856.28 = 16,875,557.36/x
  3. Step 3: Cross multiply
    30,627,362.80x = 42,263,856.28 × 16,875,557.36
  4. Step 4: Simplify right side
    30,627,362.80x = 713,226,130,907,936.25
  5. Step 5: Solve for x
    x = 713,226,130,907,936.25/30,627,362.80
  6. Step 6: Final answer
    x = 23,287,219.85

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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.