Home / 19,927,420.16-27,500,144.64-11,779,416.32

Finding the Fourth Proportional to 19,927,420.16, 27,500,144.64 and 11,779,416.32

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Solution

The fourth proportional to 19,927,420.16, 27,500,144.64 and 11,779,416.32 is: 16,255,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927,420.16 : 27,500,144.64 = 11,779,416.32 : x
  2. Step 2: Convert to fraction form
    19,927,420.16/27,500,144.64 = 11,779,416.32/x
  3. Step 3: Cross multiply
    19,927,420.16x = 27,500,144.64 × 11,779,416.32
  4. Step 4: Simplify right side
    19,927,420.16x = 323,935,652,574,776.56
  5. Step 5: Solve for x
    x = 323,935,652,574,776.56/19,927,420.16
  6. Step 6: Final answer
    x = 16,255,774.71

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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.