Home / 13,767,367.51-18,999,005.02-7,573,048.79

Finding the Fourth Proportional to 13,767,367.51, 18,999,005.02 and 7,573,048.79

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Solution

The fourth proportional to 13,767,367.51, 18,999,005.02 and 7,573,048.79 is: 10,450,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767,367.51 : 18,999,005.02 = 7,573,048.79 : x
  2. Step 2: Convert to fraction form
    13,767,367.51/18,999,005.02 = 7,573,048.79/x
  3. Step 3: Cross multiply
    13,767,367.51x = 18,999,005.02 × 7,573,048.79
  4. Step 4: Simplify right side
    13,767,367.51x = 143,880,392,006,479.81
  5. Step 5: Solve for x
    x = 143,880,392,006,479.81/13,767,367.51
  6. Step 6: Final answer
    x = 10,450,828.16

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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.