Home / 30,885,362.80-42,604,092.54-19,262,748.16

Finding the Fourth Proportional to 30,885,362.80, 42,604,092.54 and 19,262,748.16

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Solution

The fourth proportional to 30,885,362.80, 42,604,092.54 and 19,262,748.16 is: 26,571,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,362.80 : 42,604,092.54 = 19,262,748.16 : x
  2. Step 2: Convert to fraction form
    30,885,362.80/42,604,092.54 = 19,262,748.16/x
  3. Step 3: Cross multiply
    30,885,362.80x = 42,604,092.54 × 19,262,748.16
  4. Step 4: Simplify right side
    30,885,362.80x = 820,671,905,183,354.75
  5. Step 5: Solve for x
    x = 820,671,905,183,354.75/30,885,362.80
  6. Step 6: Final answer
    x = 26,571,548.16

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1.5x scale

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.