Finding the Fourth Proportional to 10,554,565.68, 14,557,792.05 and 9,686,204.55
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Solution
The fourth proportional to 10,554,565.68, 14,557,792.05 and 9,686,204.55 is: 13,360,071.45
Step by Step Solution
- Step 1: Write the proportion equation
10,554,565.68 : 14,557,792.05 = 9,686,204.55 : x - Step 2: Convert to fraction form
10,554,565.68/14,557,792.05 = 9,686,204.55/x - Step 3: Cross multiply
10,554,565.68x = 14,557,792.05 × 9,686,204.55 - Step 4: Simplify right side
10,554,565.68x = 141,009,751,592,663.84 - Step 5: Solve for x
x = 141,009,751,592,663.84/10,554,565.68 - Step 6: Final answer
x = 13,360,071.45
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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.