Home / 18,347,068.81-25,319,005.41-10,087,975.36

Finding the Fourth Proportional to 18,347,068.81, 25,319,005.41 and 10,087,975.36

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Solution

The fourth proportional to 18,347,068.81, 25,319,005.41 and 10,087,975.36 is: 13,921,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347,068.81 : 25,319,005.41 = 10,087,975.36 : x
  2. Step 2: Convert to fraction form
    18,347,068.81/25,319,005.41 = 10,087,975.36/x
  3. Step 3: Cross multiply
    18,347,068.81x = 25,319,005.41 × 10,087,975.36
  4. Step 4: Simplify right side
    18,347,068.81x = 255,417,502,715,786.69
  5. Step 5: Solve for x
    x = 255,417,502,715,786.69/18,347,068.81
  6. Step 6: Final answer
    x = 13,921,433.74

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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.