Home / 10,779,881.60-16,146,202.80-5,725,287.20

Finding the Fourth Proportional to 10,779,881.60, 16,146,202.80 and 5,725,287.20

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Solution

The fourth proportional to 10,779,881.60, 16,146,202.80 and 5,725,287.20 is: 8,575,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,881.60 : 16,146,202.80 = 5,725,287.20 : x
  2. Step 2: Convert to fraction form
    10,779,881.60/16,146,202.80 = 5,725,287.20/x
  3. Step 3: Cross multiply
    10,779,881.60x = 16,146,202.80 × 5,725,287.20
  4. Step 4: Simplify right side
    10,779,881.60x = 92,441,648,219,444.17
  5. Step 5: Solve for x
    x = 92,441,648,219,444.17/10,779,881.60
  6. Step 6: Final answer
    x = 8,575,386.23

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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.