Home / 14,563,031.64-20,097,465.88-7,947,981.28

Finding the Fourth Proportional to 14,563,031.64, 20,097,465.88 and 7,947,981.28

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Solution

The fourth proportional to 14,563,031.64, 20,097,465.88 and 7,947,981.28 is: 10,968,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563,031.64 : 20,097,465.88 = 7,947,981.28 : x
  2. Step 2: Convert to fraction form
    14,563,031.64/20,097,465.88 = 7,947,981.28/x
  3. Step 3: Cross multiply
    14,563,031.64x = 20,097,465.88 × 7,947,981.28
  4. Step 4: Simplify right side
    14,563,031.64x = 159,734,282,589,678.72
  5. Step 5: Solve for x
    x = 159,734,282,589,678.72/14,563,031.64
  6. Step 6: Final answer
    x = 10,968,477.34

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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.