Finding the Fourth Proportional to 10,778,794.28, 14,871,203.14 and 7,681,805.32
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Solution
The fourth proportional to 10,778,794.28, 14,871,203.14 and 7,681,805.32 is: 10,598,373.48
Step by Step Solution
- Step 1: Write the proportion equation
10,778,794.28 : 14,871,203.14 = 7,681,805.32 : x - Step 2: Convert to fraction form
10,778,794.28/14,871,203.14 = 7,681,805.32/x - Step 3: Cross multiply
10,778,794.28x = 14,871,203.14 × 7,681,805.32 - Step 4: Simplify right side
10,778,794.28x = 114,237,687,395,652.72 - Step 5: Solve for x
x = 114,237,687,395,652.72/10,778,794.28 - Step 6: Final answer
x = 10,598,373.48
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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.