Home / 13,459,210.50-18,573,615.98-7,347,639

Finding the Fourth Proportional to 13,459,210.50, 18,573,615.98 and 7,347,639

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Solution

The fourth proportional to 13,459,210.50, 18,573,615.98 and 7,347,639 is: 10,139,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,210.50 : 18,573,615.98 = 7,347,639 : x
  2. Step 2: Convert to fraction form
    13,459,210.50/18,573,615.98 = 7,347,639/x
  3. Step 3: Cross multiply
    13,459,210.50x = 18,573,615.98 × 7,347,639
  4. Step 4: Simplify right side
    13,459,210.50x = 136,472,225,145,671.22
  5. Step 5: Solve for x
    x = 136,472,225,145,671.22/13,459,210.50
  6. Step 6: Final answer
    x = 10,139,690.23

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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.