Home / 9,038,785.12-12,470,488.68-5,118,005.50

Finding the Fourth Proportional to 9,038,785.12, 12,470,488.68 and 5,118,005.50

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Solution

The fourth proportional to 9,038,785.12, 12,470,488.68 and 5,118,005.50 is: 7,061,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038,785.12 : 12,470,488.68 = 5,118,005.50 : x
  2. Step 2: Convert to fraction form
    9,038,785.12/12,470,488.68 = 5,118,005.50/x
  3. Step 3: Cross multiply
    9,038,785.12x = 12,470,488.68 × 5,118,005.50
  4. Step 4: Simplify right side
    9,038,785.12x = 63,824,029,651,927.74
  5. Step 5: Solve for x
    x = 63,824,029,651,927.74/9,038,785.12
  6. Step 6: Final answer
    x = 7,061,129.21

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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.