Home / 10,779,336.51-16,157,490.21-5,377,337.16

Finding the Fourth Proportional to 10,779,336.51, 16,157,490.21 and 5,377,337.16

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Solution

The fourth proportional to 10,779,336.51, 16,157,490.21 and 5,377,337.16 is: 8,060,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,336.51 : 16,157,490.21 = 5,377,337.16 : x
  2. Step 2: Convert to fraction form
    10,779,336.51/16,157,490.21 = 5,377,337.16/x
  3. Step 3: Cross multiply
    10,779,336.51x = 16,157,490.21 × 5,377,337.16
  4. Step 4: Simplify right side
    10,779,336.51x = 86,884,272,518,569.20
  5. Step 5: Solve for x
    x = 86,884,272,518,569.20/10,779,336.51
  6. Step 6: Final answer
    x = 8,060,261.63

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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.