Home / 28,985,681.40-40,000,323.37-16,595,964.86

Finding the Fourth Proportional to 28,985,681.40, 40,000,323.37 and 16,595,964.86

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Solution

The fourth proportional to 28,985,681.40, 40,000,323.37 and 16,595,964.86 is: 22,902,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985,681.40 : 40,000,323.37 = 16,595,964.86 : x
  2. Step 2: Convert to fraction form
    28,985,681.40/40,000,323.37 = 16,595,964.86/x
  3. Step 3: Cross multiply
    28,985,681.40x = 40,000,323.37 × 16,595,964.86
  4. Step 4: Simplify right side
    28,985,681.40x = 663,843,961,037,156.75
  5. Step 5: Solve for x
    x = 663,843,961,037,156.75/28,985,681.40
  6. Step 6: Final answer
    x = 22,902,479.05

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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.