Home / 13,376,695.63-18,459,222.20-7,575,518.90

Finding the Fourth Proportional to 13,376,695.63, 18,459,222.20 and 7,575,518.90

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Solution

The fourth proportional to 13,376,695.63, 18,459,222.20 and 7,575,518.90 is: 10,453,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,695.63 : 18,459,222.20 = 7,575,518.90 : x
  2. Step 2: Convert to fraction form
    13,376,695.63/18,459,222.20 = 7,575,518.90/x
  3. Step 3: Cross multiply
    13,376,695.63x = 18,459,222.20 × 7,575,518.90
  4. Step 4: Simplify right side
    13,376,695.63x = 139,838,186,563,103.45
  5. Step 5: Solve for x
    x = 139,838,186,563,103.45/13,376,695.63
  6. Step 6: Final answer
    x = 10,453,866.22

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1.5x scale

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.