Home / 15,725,849.36-21,708,368.16-10,572,200

Finding the Fourth Proportional to 15,725,849.36, 21,708,368.16 and 10,572,200

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Solution

The fourth proportional to 15,725,849.36, 21,708,368.16 and 10,572,200 is: 14,594,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,849.36 : 21,708,368.16 = 10,572,200 : x
  2. Step 2: Convert to fraction form
    15,725,849.36/21,708,368.16 = 10,572,200/x
  3. Step 3: Cross multiply
    15,725,849.36x = 21,708,368.16 × 10,572,200
  4. Step 4: Simplify right side
    15,725,849.36x = 229,505,209,861,152
  5. Step 5: Solve for x
    x = 229,505,209,861,152/15,725,849.36
  6. Step 6: Final answer
    x = 14,594,137.63

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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.