Home / 13,701,982.86-18,908,735.76-7,507,264.32

Finding the Fourth Proportional to 13,701,982.86, 18,908,735.76 and 7,507,264.32

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Solution

The fourth proportional to 13,701,982.86, 18,908,735.76 and 7,507,264.32 is: 10,360,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,982.86 : 18,908,735.76 = 7,507,264.32 : x
  2. Step 2: Convert to fraction form
    13,701,982.86/18,908,735.76 = 7,507,264.32/x
  3. Step 3: Cross multiply
    13,701,982.86x = 18,908,735.76 × 7,507,264.32
  4. Step 4: Simplify right side
    13,701,982.86x = 141,952,877,307,356.09
  5. Step 5: Solve for x
    x = 141,952,877,307,356.09/13,701,982.86
  6. Step 6: Final answer
    x = 10,360,024.44

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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.