Home / 30,009,262.80-41,412,620.10-16,778,437.20

Finding the Fourth Proportional to 30,009,262.80, 41,412,620.10 and 16,778,437.20

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Solution

The fourth proportional to 30,009,262.80, 41,412,620.10 and 16,778,437.20 is: 23,154,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009,262.80 : 41,412,620.10 = 16,778,437.20 : x
  2. Step 2: Convert to fraction form
    30,009,262.80/41,412,620.10 = 16,778,437.20/x
  3. Step 3: Cross multiply
    30,009,262.80x = 41,412,620.10 × 16,778,437.20
  4. Step 4: Simplify right side
    30,009,262.80x = 694,839,045,635,307.75
  5. Step 5: Solve for x
    x = 694,839,045,635,307.75/30,009,262.80
  6. Step 6: Final answer
    x = 23,154,152.45

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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.