Home / 19,387,320.67-29,085,963.72-7,256,957.50

Finding the Fourth Proportional to 19,387,320.67, 29,085,963.72 and 7,256,957.50

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Solution

The fourth proportional to 19,387,320.67, 29,085,963.72 and 7,256,957.50 is: 10,887,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,320.67 : 29,085,963.72 = 7,256,957.50 : x
  2. Step 2: Convert to fraction form
    19,387,320.67/29,085,963.72 = 7,256,957.50/x
  3. Step 3: Cross multiply
    19,387,320.67x = 29,085,963.72 × 7,256,957.50
  4. Step 4: Simplify right side
    19,387,320.67x = 211,075,602,562,581.91
  5. Step 5: Solve for x
    x = 211,075,602,562,581.91/19,387,320.67
  6. Step 6: Final answer
    x = 10,887,301.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.