Finding the Fourth Proportional to 14,357,872.24, 19,813,926.04 and 7,831,641.88
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Solution
The fourth proportional to 14,357,872.24, 19,813,926.04 and 7,831,641.88 is: 10,807,699.80
Step by Step Solution
- Step 1: Write the proportion equation
14,357,872.24 : 19,813,926.04 = 7,831,641.88 : x - Step 2: Convert to fraction form
14,357,872.24/19,813,926.04 = 7,831,641.88/x - Step 3: Cross multiply
14,357,872.24x = 19,813,926.04 × 7,831,641.88 - Step 4: Simplify right side
14,357,872.24x = 155,175,572,982,086.53 - Step 5: Solve for x
x = 155,175,572,982,086.53/14,357,872.24 - Step 6: Final answer
x = 10,807,699.80
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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.