Home / 31,889,900.80-47,827,075.20-9,168,428.80

Finding the Fourth Proportional to 31,889,900.80, 47,827,075.20 and 9,168,428.80

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Solution

The fourth proportional to 31,889,900.80, 47,827,075.20 and 9,168,428.80 is: 13,750,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889,900.80 : 47,827,075.20 = 9,168,428.80 : x
  2. Step 2: Convert to fraction form
    31,889,900.80/47,827,075.20 = 9,168,428.80/x
  3. Step 3: Cross multiply
    31,889,900.80x = 47,827,075.20 × 9,168,428.80
  4. Step 4: Simplify right side
    31,889,900.80x = 438,499,133,683,445.81
  5. Step 5: Solve for x
    x = 438,499,133,683,445.81/31,889,900.80
  6. Step 6: Final answer
    x = 13,750,407.58

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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.