Home / 38,566,143.51-53,224,583.67-21,165,852.30

Finding the Fourth Proportional to 38,566,143.51, 53,224,583.67 and 21,165,852.30

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Solution

The fourth proportional to 38,566,143.51, 53,224,583.67 and 21,165,852.30 is: 29,210,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,143.51 : 53,224,583.67 = 21,165,852.30 : x
  2. Step 2: Convert to fraction form
    38,566,143.51/53,224,583.67 = 21,165,852.30/x
  3. Step 3: Cross multiply
    38,566,143.51x = 53,224,583.67 × 21,165,852.30
  4. Step 4: Simplify right side
    38,566,143.51x = 1,126,543,676,688,212
  5. Step 5: Solve for x
    x = 1,126,543,676,688,212/38,566,143.51
  6. Step 6: Final answer
    x = 29,210,690.37

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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.