Home / 14,020,781.40-21,031,172.10-5,042,093.40

Finding the Fourth Proportional to 14,020,781.40, 21,031,172.10 and 5,042,093.40

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Solution

The fourth proportional to 14,020,781.40, 21,031,172.10 and 5,042,093.40 is: 7,563,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,781.40 : 21,031,172.10 = 5,042,093.40 : x
  2. Step 2: Convert to fraction form
    14,020,781.40/21,031,172.10 = 5,042,093.40/x
  3. Step 3: Cross multiply
    14,020,781.40x = 21,031,172.10 × 5,042,093.40
  4. Step 4: Simplify right side
    14,020,781.40x = 106,041,134,039,674.16
  5. Step 5: Solve for x
    x = 106,041,134,039,674.16/14,020,781.40
  6. Step 6: Final answer
    x = 7,563,140.10

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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.