Home / 12,710,115.29-17,539,970.40-6,908,897.03

Finding the Fourth Proportional to 12,710,115.29, 17,539,970.40 and 6,908,897.03

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Solution

The fourth proportional to 12,710,115.29, 17,539,970.40 and 6,908,897.03 is: 9,534,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,115.29 : 17,539,970.40 = 6,908,897.03 : x
  2. Step 2: Convert to fraction form
    12,710,115.29/17,539,970.40 = 6,908,897.03/x
  3. Step 3: Cross multiply
    12,710,115.29x = 17,539,970.40 × 6,908,897.03
  4. Step 4: Simplify right side
    12,710,115.29x = 121,181,849,402,847.91
  5. Step 5: Solve for x
    x = 121,181,849,402,847.91/12,710,115.29
  6. Step 6: Final answer
    x = 9,534,284.04

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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.