Home / 38,676,905.60-53,374,157.01-21,274,574.81

Finding the Fourth Proportional to 38,676,905.60, 53,374,157.01 and 21,274,574.81

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Solution

The fourth proportional to 38,676,905.60, 53,374,157.01 and 21,274,574.81 is: 29,358,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676,905.60 : 53,374,157.01 = 21,274,574.81 : x
  2. Step 2: Convert to fraction form
    38,676,905.60/53,374,157.01 = 21,274,574.81/x
  3. Step 3: Cross multiply
    38,676,905.60x = 53,374,157.01 × 21,274,574.81
  4. Step 4: Simplify right side
    38,676,905.60x = 1,135,512,495,963,060
  5. Step 5: Solve for x
    x = 1,135,512,495,963,060/38,676,905.60
  6. Step 6: Final answer
    x = 29,358,928.24

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1.5x scale

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.