Finding the Fourth Proportional to 7,653,663.09, 10,562,055.64 and 4,215,904.12
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Solution
The fourth proportional to 7,653,663.09, 10,562,055.64 and 4,215,904.12 is: 5,817,948.00
Step by Step Solution
- Step 1: Write the proportion equation
7,653,663.09 : 10,562,055.64 = 4,215,904.12 : x - Step 2: Convert to fraction form
7,653,663.09/10,562,055.64 = 4,215,904.12/x - Step 3: Cross multiply
7,653,663.09x = 10,562,055.64 × 4,215,904.12 - Step 4: Simplify right side
7,653,663.09x = 44,528,613,888,345.24 - Step 5: Solve for x
x = 44,528,613,888,345.24/7,653,663.09 - Step 6: Final answer
x = 5,817,948.00
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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.