Home / 8,779,316.77-12,114,636.30-5,246,412.31

Finding the Fourth Proportional to 8,779,316.77, 12,114,636.30 and 5,246,412.31

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Solution

The fourth proportional to 8,779,316.77, 12,114,636.30 and 5,246,412.31 is: 7,239,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,316.77 : 12,114,636.30 = 5,246,412.31 : x
  2. Step 2: Convert to fraction form
    8,779,316.77/12,114,636.30 = 5,246,412.31/x
  3. Step 3: Cross multiply
    8,779,316.77x = 12,114,636.30 × 5,246,412.31
  4. Step 4: Simplify right side
    8,779,316.77x = 63,558,377,015,492.85
  5. Step 5: Solve for x
    x = 63,558,377,015,492.85/8,779,316.77
  6. Step 6: Final answer
    x = 7,239,558.46

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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.