Home / 21,939,607.80-32,909,411.70-16,518,909.60

Finding the Fourth Proportional to 21,939,607.80, 32,909,411.70 and 16,518,909.60

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Solution

The fourth proportional to 21,939,607.80, 32,909,411.70 and 16,518,909.60 is: 24,778,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939,607.80 : 32,909,411.70 = 16,518,909.60 : x
  2. Step 2: Convert to fraction form
    21,939,607.80/32,909,411.70 = 16,518,909.60/x
  3. Step 3: Cross multiply
    21,939,607.80x = 32,909,411.70 × 16,518,909.60
  4. Step 4: Simplify right side
    21,939,607.80x = 543,627,596,861,482.31
  5. Step 5: Solve for x
    x = 543,627,596,861,482.31/21,939,607.80
  6. Step 6: Final answer
    x = 24,778,364.40

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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.