Home / 10,306,653.90-15,461,730.45-3,118,130.70

Finding the Fourth Proportional to 10,306,653.90, 15,461,730.45 and 3,118,130.70

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Solution

The fourth proportional to 10,306,653.90, 15,461,730.45 and 3,118,130.70 is: 4,677,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,653.90 : 15,461,730.45 = 3,118,130.70 : x
  2. Step 2: Convert to fraction form
    10,306,653.90/15,461,730.45 = 3,118,130.70/x
  3. Step 3: Cross multiply
    10,306,653.90x = 15,461,730.45 × 3,118,130.70
  4. Step 4: Simplify right side
    10,306,653.90x = 48,211,696,391,269.81
  5. Step 5: Solve for x
    x = 48,211,696,391,269.81/10,306,653.90
  6. Step 6: Final answer
    x = 4,677,725.37

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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.