Home / 15,524,069,838.62-21,423,216,377.15-8,841,688,189.34

Finding the Fourth Proportional to 15,524,069,838.62, 21,423,216,377.15 and 8,841,688,189.34

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Solution

The fourth proportional to 15,524,069,838.62, 21,423,216,377.15 and 8,841,688,189.34 is: 12,201,529,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524,069,838.62 : 21,423,216,377.15 = 8,841,688,189.34 : x
  2. Step 2: Convert to fraction form
    15,524,069,838.62/21,423,216,377.15 = 8,841,688,189.34/x
  3. Step 3: Cross multiply
    15,524,069,838.62x = 21,423,216,377.15 × 8,841,688,189.34
  4. Step 4: Simplify right side
    15,524,069,838.62x = 189,417,399,219,371,081,728
  5. Step 5: Solve for x
    x = 189,417,399,219,371,081,728/15,524,069,838.62
  6. Step 6: Final answer
    x = 12,201,529,701.20

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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.