Home / 30,143,827.80-45,201,744.90-13,095,725.40

Finding the Fourth Proportional to 30,143,827.80, 45,201,744.90 and 13,095,725.40

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Solution

The fourth proportional to 30,143,827.80, 45,201,744.90 and 13,095,725.40 is: 19,637,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143,827.80 : 45,201,744.90 = 13,095,725.40 : x
  2. Step 2: Convert to fraction form
    30,143,827.80/45,201,744.90 = 13,095,725.40/x
  3. Step 3: Cross multiply
    30,143,827.80x = 45,201,744.90 × 13,095,725.40
  4. Step 4: Simplify right side
    30,143,827.80x = 591,949,638,811,250.50
  5. Step 5: Solve for x
    x = 591,949,638,811,250.50/30,143,827.80
  6. Step 6: Final answer
    x = 19,637,507.31

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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.