Finding the Fourth Proportional to 14,435,659.74, 19,920,449.04 and 8,240,460.42
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Solution
The fourth proportional to 14,435,659.74, 19,920,449.04 and 8,240,460.42 is: 11,371,400.74
Step by Step Solution
- Step 1: Write the proportion equation
14,435,659.74 : 19,920,449.04 = 8,240,460.42 : x - Step 2: Convert to fraction form
14,435,659.74/19,920,449.04 = 8,240,460.42/x - Step 3: Cross multiply
14,435,659.74x = 19,920,449.04 × 8,240,460.42 - Step 4: Simplify right side
14,435,659.74x = 164,153,671,862,747 - Step 5: Solve for x
x = 164,153,671,862,747/14,435,659.74 - Step 6: Final answer
x = 11,371,400.74
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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.