Home / 19,186,959.36-26,478,350.10-10,485,498.72

Finding the Fourth Proportional to 19,186,959.36, 26,478,350.10 and 10,485,498.72

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Solution

The fourth proportional to 19,186,959.36, 26,478,350.10 and 10,485,498.72 is: 14,470,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,959.36 : 26,478,350.10 = 10,485,498.72 : x
  2. Step 2: Convert to fraction form
    19,186,959.36/26,478,350.10 = 10,485,498.72/x
  3. Step 3: Cross multiply
    19,186,959.36x = 26,478,350.10 × 10,485,498.72
  4. Step 4: Simplify right side
    19,186,959.36x = 277,638,706,081,261.91
  5. Step 5: Solve for x
    x = 277,638,706,081,261.91/19,186,959.36
  6. Step 6: Final answer
    x = 14,470,177.42

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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.