Home / 30,075,178.38-45,105,544.31-13,885,574.64

Finding the Fourth Proportional to 30,075,178.38, 45,105,544.31 and 13,885,574.64

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Solution

The fourth proportional to 30,075,178.38, 45,105,544.31 and 13,885,574.64 is: 20,825,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075,178.38 : 45,105,544.31 = 13,885,574.64 : x
  2. Step 2: Convert to fraction form
    30,075,178.38/45,105,544.31 = 13,885,574.64/x
  3. Step 3: Cross multiply
    30,075,178.38x = 45,105,544.31 × 13,885,574.64
  4. Step 4: Simplify right side
    30,075,178.38x = 626,316,402,124,904.50
  5. Step 5: Solve for x
    x = 626,316,402,124,904.50/30,075,178.38
  6. Step 6: Final answer
    x = 20,825,027.01

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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.