Home / 13,852,127.08-19,115,569.38-7,740,605.80

Finding the Fourth Proportional to 13,852,127.08, 19,115,569.38 and 7,740,605.80

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Solution

The fourth proportional to 13,852,127.08, 19,115,569.38 and 7,740,605.80 is: 10,681,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852,127.08 : 19,115,569.38 = 7,740,605.80 : x
  2. Step 2: Convert to fraction form
    13,852,127.08/19,115,569.38 = 7,740,605.80/x
  3. Step 3: Cross multiply
    13,852,127.08x = 19,115,569.38 × 7,740,605.80
  4. Step 4: Simplify right side
    13,852,127.08x = 147,966,087,213,130.41
  5. Step 5: Solve for x
    x = 147,966,087,213,130.41/13,852,127.08
  6. Step 6: Final answer
    x = 10,681,831.49

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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.