Home / 19,153,742.40-28,744,610.40-13,485,038.40

Finding the Fourth Proportional to 19,153,742.40, 28,744,610.40 and 13,485,038.40

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Solution

The fourth proportional to 19,153,742.40, 28,744,610.40 and 13,485,038.40 is: 20,237,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,742.40 : 28,744,610.40 = 13,485,038.40 : x
  2. Step 2: Convert to fraction form
    19,153,742.40/28,744,610.40 = 13,485,038.40/x
  3. Step 3: Cross multiply
    19,153,742.40x = 28,744,610.40 × 13,485,038.40
  4. Step 4: Simplify right side
    19,153,742.40x = 387,622,175,037,039.38
  5. Step 5: Solve for x
    x = 387,622,175,037,039.38/19,153,742.40
  6. Step 6: Final answer
    x = 20,237,411.93

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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.