Home / 35,609,535.40-49,140,570.18-20,139,039.40

Finding the Fourth Proportional to 35,609,535.40, 49,140,570.18 and 20,139,039.40

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Solution

The fourth proportional to 35,609,535.40, 49,140,570.18 and 20,139,039.40 is: 27,791,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609,535.40 : 49,140,570.18 = 20,139,039.40 : x
  2. Step 2: Convert to fraction form
    35,609,535.40/49,140,570.18 = 20,139,039.40/x
  3. Step 3: Cross multiply
    35,609,535.40x = 49,140,570.18 × 20,139,039.40
  4. Step 4: Simplify right side
    35,609,535.40x = 989,643,878,993,485
  5. Step 5: Solve for x
    x = 989,643,878,993,485/35,609,535.40
  6. Step 6: Final answer
    x = 27,791,541.45

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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.