Home / 21,356,361.60-32,038,032.96-6,975,254.40

Finding the Fourth Proportional to 21,356,361.60, 32,038,032.96 and 6,975,254.40

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Solution

The fourth proportional to 21,356,361.60, 32,038,032.96 and 6,975,254.40 is: 10,464,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356,361.60 : 32,038,032.96 = 6,975,254.40 : x
  2. Step 2: Convert to fraction form
    21,356,361.60/32,038,032.96 = 6,975,254.40/x
  3. Step 3: Cross multiply
    21,356,361.60x = 32,038,032.96 × 6,975,254.40
  4. Step 4: Simplify right side
    21,356,361.60x = 223,473,430,371,585.03
  5. Step 5: Solve for x
    x = 223,473,430,371,585.03/21,356,361.60
  6. Step 6: Final answer
    x = 10,464,021.66

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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.