Home / 39,111,775.56-53,973,853.56-21,708,271.08

Finding the Fourth Proportional to 39,111,775.56, 53,973,853.56 and 21,708,271.08

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Solution

The fourth proportional to 39,111,775.56, 53,973,853.56 and 21,708,271.08 is: 29,957,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111,775.56 : 53,973,853.56 = 21,708,271.08 : x
  2. Step 2: Convert to fraction form
    39,111,775.56/53,973,853.56 = 21,708,271.08/x
  3. Step 3: Cross multiply
    39,111,775.56x = 53,973,853.56 × 21,708,271.08
  4. Step 4: Simplify right side
    39,111,775.56x = 1,171,679,044,312,703
  5. Step 5: Solve for x
    x = 1,171,679,044,312,703/39,111,775.56
  6. Step 6: Final answer
    x = 29,957,193.90

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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.