Home / 19,417,690.71-28,967,384.23-18,889,903.35

Finding the Fourth Proportional to 19,417,690.71, 28,967,384.23 and 18,889,903.35

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Solution

The fourth proportional to 19,417,690.71, 28,967,384.23 and 18,889,903.35 is: 28,180,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417,690.71 : 28,967,384.23 = 18,889,903.35 : x
  2. Step 2: Convert to fraction form
    19,417,690.71/28,967,384.23 = 18,889,903.35/x
  3. Step 3: Cross multiply
    19,417,690.71x = 28,967,384.23 × 18,889,903.35
  4. Step 4: Simplify right side
    19,417,690.71x = 547,191,088,359,789.44
  5. Step 5: Solve for x
    x = 547,191,088,359,789.44/19,417,690.71
  6. Step 6: Final answer
    x = 28,180,029.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.