Home / 31,101,910.40-46,636,276.80-13,130,710.40

Finding the Fourth Proportional to 31,101,910.40, 46,636,276.80 and 13,130,710.40

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Solution

The fourth proportional to 31,101,910.40, 46,636,276.80 and 13,130,710.40 is: 19,689,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101,910.40 : 46,636,276.80 = 13,130,710.40 : x
  2. Step 2: Convert to fraction form
    31,101,910.40/46,636,276.80 = 13,130,710.40/x
  3. Step 3: Cross multiply
    31,101,910.40x = 46,636,276.80 × 13,130,710.40
  4. Step 4: Simplify right side
    31,101,910.40x = 612,367,444,795,038.75
  5. Step 5: Solve for x
    x = 612,367,444,795,038.75/31,101,910.40
  6. Step 6: Final answer
    x = 19,689,062.08

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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.