Home / 12,607,838.40-17,399,664-7,026,952.80

Finding the Fourth Proportional to 12,607,838.40, 17,399,664 and 7,026,952.80

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Solution

The fourth proportional to 12,607,838.40, 17,399,664 and 7,026,952.80 is: 9,697,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,838.40 : 17,399,664 = 7,026,952.80 : x
  2. Step 2: Convert to fraction form
    12,607,838.40/17,399,664 = 7,026,952.80/x
  3. Step 3: Cross multiply
    12,607,838.40x = 17,399,664 × 7,026,952.80
  4. Step 4: Simplify right side
    12,607,838.40x = 122,266,617,663,859.20
  5. Step 5: Solve for x
    x = 122,266,617,663,859.20/12,607,838.40
  6. Step 6: Final answer
    x = 9,697,666.94

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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.