Home / 18,995,384.97-28,492,683.80-4,618,528.11

Finding the Fourth Proportional to 18,995,384.97, 28,492,683.80 and 4,618,528.11

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Solution

The fourth proportional to 18,995,384.97, 28,492,683.80 and 4,618,528.11 is: 6,927,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995,384.97 : 28,492,683.80 = 4,618,528.11 : x
  2. Step 2: Convert to fraction form
    18,995,384.97/28,492,683.80 = 4,618,528.11/x
  3. Step 3: Cross multiply
    18,995,384.97x = 28,492,683.80 × 4,618,528.11
  4. Step 4: Simplify right side
    18,995,384.97x = 131,594,261,036,549
  5. Step 5: Solve for x
    x = 131,594,261,036,549/18,995,384.97
  6. Step 6: Final answer
    x = 6,927,696.45

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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.