Home / 10,210,649.88-14,090,699.40-5,564,436.28

Finding the Fourth Proportional to 10,210,649.88, 14,090,699.40 and 5,564,436.28

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Solution

The fourth proportional to 10,210,649.88, 14,090,699.40 and 5,564,436.28 is: 7,678,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210,649.88 : 14,090,699.40 = 5,564,436.28 : x
  2. Step 2: Convert to fraction form
    10,210,649.88/14,090,699.40 = 5,564,436.28/x
  3. Step 3: Cross multiply
    10,210,649.88x = 14,090,699.40 × 5,564,436.28
  4. Step 4: Simplify right side
    10,210,649.88x = 78,406,798,951,934.23
  5. Step 5: Solve for x
    x = 78,406,798,951,934.23/10,210,649.88
  6. Step 6: Final answer
    x = 7,678,923.46

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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.