Home / 30,490,089.48-42,075,799.92-16,738,955.10

Finding the Fourth Proportional to 30,490,089.48, 42,075,799.92 and 16,738,955.10

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Solution

The fourth proportional to 30,490,089.48, 42,075,799.92 and 16,738,955.10 is: 23,099,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490,089.48 : 42,075,799.92 = 16,738,955.10 : x
  2. Step 2: Convert to fraction form
    30,490,089.48/42,075,799.92 = 16,738,955.10/x
  3. Step 3: Cross multiply
    30,490,089.48x = 42,075,799.92 × 16,738,955.10
  4. Step 4: Simplify right side
    30,490,089.48x = 704,304,925,657,463.62
  5. Step 5: Solve for x
    x = 704,304,925,657,463.62/30,490,089.48
  6. Step 6: Final answer
    x = 23,099,470.60

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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.