Home / 8,779,856.41-13,174,325.62-6,370,870.78

Finding the Fourth Proportional to 8,779,856.41, 13,174,325.62 and 6,370,870.78

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Solution

The fourth proportional to 8,779,856.41, 13,174,325.62 and 6,370,870.78 is: 9,559,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,856.41 : 13,174,325.62 = 6,370,870.78 : x
  2. Step 2: Convert to fraction form
    8,779,856.41/13,174,325.62 = 6,370,870.78/x
  3. Step 3: Cross multiply
    8,779,856.41x = 13,174,325.62 × 6,370,870.78
  4. Step 4: Simplify right side
    8,779,856.41x = 83,931,926,138,663.38
  5. Step 5: Solve for x
    x = 83,931,926,138,663.38/8,779,856.41
  6. Step 6: Final answer
    x = 9,559,601.23

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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.