Home / 12,413,488.50-17,130,345.63-7,186,717.08

Finding the Fourth Proportional to 12,413,488.50, 17,130,345.63 and 7,186,717.08

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Solution

The fourth proportional to 12,413,488.50, 17,130,345.63 and 7,186,717.08 is: 9,917,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,488.50 : 17,130,345.63 = 7,186,717.08 : x
  2. Step 2: Convert to fraction form
    12,413,488.50/17,130,345.63 = 7,186,717.08/x
  3. Step 3: Cross multiply
    12,413,488.50x = 17,130,345.63 × 7,186,717.08
  4. Step 4: Simplify right side
    12,413,488.50x = 123,110,947,525,424.36
  5. Step 5: Solve for x
    x = 123,110,947,525,424.36/12,413,488.50
  6. Step 6: Final answer
    x = 9,917,514.12

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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.