Home / 38,128,075.07-52,617,095.84-20,724,461.24

Finding the Fourth Proportional to 38,128,075.07, 52,617,095.84 and 20,724,461.24

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Solution

The fourth proportional to 38,128,075.07, 52,617,095.84 and 20,724,461.24 is: 28,599,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,075.07 : 52,617,095.84 = 20,724,461.24 : x
  2. Step 2: Convert to fraction form
    38,128,075.07/52,617,095.84 = 20,724,461.24/x
  3. Step 3: Cross multiply
    38,128,075.07x = 52,617,095.84 × 20,724,461.24
  4. Step 4: Simplify right side
    38,128,075.07x = 1,090,460,963,086,170.88
  5. Step 5: Solve for x
    x = 1,090,460,963,086,170.88/38,128,075.07
  6. Step 6: Final answer
    x = 28,599,947.97

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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.