Home / 42,870,316.64-64,305,525-11,746,237.28

Finding the Fourth Proportional to 42,870,316.64, 64,305,525 and 11,746,237.28

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Solution

The fourth proportional to 42,870,316.64, 64,305,525 and 11,746,237.28 is: 17,619,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,870,316.64 : 64,305,525 = 11,746,237.28 : x
  2. Step 2: Convert to fraction form
    42,870,316.64/64,305,525 = 11,746,237.28/x
  3. Step 3: Cross multiply
    42,870,316.64x = 64,305,525 × 11,746,237.28
  4. Step 4: Simplify right side
    42,870,316.64x = 755,347,955,064,972
  5. Step 5: Solve for x
    x = 755,347,955,064,972/42,870,316.64
  6. Step 6: Final answer
    x = 17,619,369.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.