Finding the Fourth Proportional to 14,260,380.15, 19,681,840.11 and 8,462,358.84
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Solution
The fourth proportional to 14,260,380.15, 19,681,840.11 and 8,462,358.84 is: 11,679,547.94
Step by Step Solution
- Step 1: Write the proportion equation
14,260,380.15 : 19,681,840.11 = 8,462,358.84 : x - Step 2: Convert to fraction form
14,260,380.15/19,681,840.11 = 8,462,358.84/x - Step 3: Cross multiply
14,260,380.15x = 19,681,840.11 × 8,462,358.84 - Step 4: Simplify right side
14,260,380.15x = 166,554,793,642,325.06 - Step 5: Solve for x
x = 166,554,793,642,325.06/14,260,380.15 - Step 6: Final answer
x = 11,679,547.94
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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.