Home / 29,470,128.79-40,374,222.78-28,365,603.40

Finding the Fourth Proportional to 29,470,128.79, 40,374,222.78 and 28,365,603.40

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Solution

The fourth proportional to 29,470,128.79, 40,374,222.78 and 28,365,603.40 is: 38,861,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470,128.79 : 40,374,222.78 = 28,365,603.40 : x
  2. Step 2: Convert to fraction form
    29,470,128.79/40,374,222.78 = 28,365,603.40/x
  3. Step 3: Cross multiply
    29,470,128.79x = 40,374,222.78 × 28,365,603.40
  4. Step 4: Simplify right side
    29,470,128.79x = 1,145,239,191,185,212
  5. Step 5: Solve for x
    x = 1,145,239,191,185,212/29,470,128.79
  6. Step 6: Final answer
    x = 38,861,017.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.