Home / 18,237,514.05-25,168,366.02-9,977,384.72

Finding the Fourth Proportional to 18,237,514.05, 25,168,366.02 and 9,977,384.72

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Solution

The fourth proportional to 18,237,514.05, 25,168,366.02 and 9,977,384.72 is: 13,769,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237,514.05 : 25,168,366.02 = 9,977,384.72 : x
  2. Step 2: Convert to fraction form
    18,237,514.05/25,168,366.02 = 9,977,384.72/x
  3. Step 3: Cross multiply
    18,237,514.05x = 25,168,366.02 × 9,977,384.72
  4. Step 4: Simplify right side
    18,237,514.05x = 251,114,470,392,058.19
  5. Step 5: Solve for x
    x = 251,114,470,392,058.19/18,237,514.05
  6. Step 6: Final answer
    x = 13,769,117.31

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1.5x scale

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.