Home / 21,387,639.60-32,089,332.60-7,011,176.40

Finding the Fourth Proportional to 21,387,639.60, 32,089,332.60 and 7,011,176.40

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Solution

The fourth proportional to 21,387,639.60, 32,089,332.60 and 7,011,176.40 is: 10,519,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,639.60 : 32,089,332.60 = 7,011,176.40 : x
  2. Step 2: Convert to fraction form
    21,387,639.60/32,089,332.60 = 7,011,176.40/x
  3. Step 3: Cross multiply
    21,387,639.60x = 32,089,332.60 × 7,011,176.40
  4. Step 4: Simplify right side
    21,387,639.60x = 224,983,971,416,870.66
  5. Step 5: Solve for x
    x = 224,983,971,416,870.66/21,387,639.60
  6. Step 6: Final answer
    x = 10,519,345.55

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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.