Home / 30,075,187.42-45,105,557.83-13,885,583.66

Finding the Fourth Proportional to 30,075,187.42, 45,105,557.83 and 13,885,583.66

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Solution

The fourth proportional to 30,075,187.42, 45,105,557.83 and 13,885,583.66 is: 20,825,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075,187.42 : 45,105,557.83 = 13,885,583.66 : x
  2. Step 2: Convert to fraction form
    30,075,187.42/45,105,557.83 = 13,885,583.66/x
  3. Step 3: Cross multiply
    30,075,187.42x = 45,105,557.83 × 13,885,583.66
  4. Step 4: Simplify right side
    30,075,187.42x = 626,316,996,484,477.38
  5. Step 5: Solve for x
    x = 626,316,996,484,477.38/30,075,187.42
  6. Step 6: Final answer
    x = 20,825,040.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.