Home / 30,895,879.76-42,637,292.80-17,842,901.48

Finding the Fourth Proportional to 30,895,879.76, 42,637,292.80 and 17,842,901.48

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Solution

The fourth proportional to 30,895,879.76, 42,637,292.80 and 17,842,901.48 is: 24,623,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895,879.76 : 42,637,292.80 = 17,842,901.48 : x
  2. Step 2: Convert to fraction form
    30,895,879.76/42,637,292.80 = 17,842,901.48/x
  3. Step 3: Cross multiply
    30,895,879.76x = 42,637,292.80 × 17,842,901.48
  4. Step 4: Simplify right side
    30,895,879.76x = 760,773,014,804,313.25
  5. Step 5: Solve for x
    x = 760,773,014,804,313.25/30,895,879.76
  6. Step 6: Final answer
    x = 24,623,769.28

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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.