Home / 13,376,695.13-18,459,221.51-7,575,518.40

Finding the Fourth Proportional to 13,376,695.13, 18,459,221.51 and 7,575,518.40

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Solution

The fourth proportional to 13,376,695.13, 18,459,221.51 and 7,575,518.40 is: 10,453,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,695.13 : 18,459,221.51 = 7,575,518.40 : x
  2. Step 2: Convert to fraction form
    13,376,695.13/18,459,221.51 = 7,575,518.40/x
  3. Step 3: Cross multiply
    13,376,695.13x = 18,459,221.51 × 7,575,518.40
  4. Step 4: Simplify right side
    13,376,695.13x = 139,838,172,106,384.69
  5. Step 5: Solve for x
    x = 139,838,172,106,384.69/13,376,695.13
  6. Step 6: Final answer
    x = 10,453,865.53

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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.