Home / 12,064,430.79-18,096,772.29-4,779,663.30

Finding the Fourth Proportional to 12,064,430.79, 18,096,772.29 and 4,779,663.30

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Solution

The fourth proportional to 12,064,430.79, 18,096,772.29 and 4,779,663.30 is: 7,169,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064,430.79 : 18,096,772.29 = 4,779,663.30 : x
  2. Step 2: Convert to fraction form
    12,064,430.79/18,096,772.29 = 4,779,663.30/x
  3. Step 3: Cross multiply
    12,064,430.79x = 18,096,772.29 × 4,779,663.30
  4. Step 4: Simplify right side
    12,064,430.79x = 86,496,478,362,969.95
  5. Step 5: Solve for x
    x = 86,496,478,362,969.95/12,064,430.79
  6. Step 6: Final answer
    x = 7,169,544.91

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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.