Home / 31,457,018.10-47,125,075.68-19,291,005.18

Finding the Fourth Proportional to 31,457,018.10, 47,125,075.68 and 19,291,005.18

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Solution

The fourth proportional to 31,457,018.10, 47,125,075.68 and 19,291,005.18 is: 28,899,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457,018.10 : 47,125,075.68 = 19,291,005.18 : x
  2. Step 2: Convert to fraction form
    31,457,018.10/47,125,075.68 = 19,291,005.18/x
  3. Step 3: Cross multiply
    31,457,018.10x = 47,125,075.68 × 19,291,005.18
  4. Step 4: Simplify right side
    31,457,018.10x = 909,090,079,050,772
  5. Step 5: Solve for x
    x = 909,090,079,050,772/31,457,018.10
  6. Step 6: Final answer
    x = 28,899,435.93

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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.