Home / 38,423,373.84-53,024,674.32-21,019,345.38

Finding the Fourth Proportional to 38,423,373.84, 53,024,674.32 and 21,019,345.38

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Solution

The fourth proportional to 38,423,373.84, 53,024,674.32 and 21,019,345.38 is: 29,006,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423,373.84 : 53,024,674.32 = 21,019,345.38 : x
  2. Step 2: Convert to fraction form
    38,423,373.84/53,024,674.32 = 21,019,345.38/x
  3. Step 3: Cross multiply
    38,423,373.84x = 53,024,674.32 × 21,019,345.38
  4. Step 4: Simplify right side
    38,423,373.84x = 1,114,543,943,194,096.62
  5. Step 5: Solve for x
    x = 1,114,543,943,194,096.62/38,423,373.84
  6. Step 6: Final answer
    x = 29,006,925.52

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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.