Home / 28,890,923.12-43,323,786-10,927,430

Finding the Fourth Proportional to 28,890,923.12, 43,323,786 and 10,927,430

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Solution

The fourth proportional to 28,890,923.12, 43,323,786 and 10,927,430 is: 16,386,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,923.12 : 43,323,786 = 10,927,430 : x
  2. Step 2: Convert to fraction form
    28,890,923.12/43,323,786 = 10,927,430/x
  3. Step 3: Cross multiply
    28,890,923.12x = 43,323,786 × 10,927,430
  4. Step 4: Simplify right side
    28,890,923.12x = 473,417,638,849,980
  5. Step 5: Solve for x
    x = 473,417,638,849,980/28,890,923.12
  6. Step 6: Final answer
    x = 16,386,379.79

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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.