Home / 38,838,887.90-53,596,905.55-21,197,916.93

Finding the Fourth Proportional to 38,838,887.90, 53,596,905.55 and 21,197,916.93

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Solution

The fourth proportional to 38,838,887.90, 53,596,905.55 and 21,197,916.93 is: 29,252,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838,887.90 : 53,596,905.55 = 21,197,916.93 : x
  2. Step 2: Convert to fraction form
    38,838,887.90/53,596,905.55 = 21,197,916.93/x
  3. Step 3: Cross multiply
    38,838,887.90x = 53,596,905.55 × 21,197,916.93
  4. Step 4: Simplify right side
    38,838,887.90x = 1,136,142,751,553,956
  5. Step 5: Solve for x
    x = 1,136,142,751,553,956/38,838,887.90
  6. Step 6: Final answer
    x = 29,252,710.70

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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.