Finding the Fourth Proportional to 9,894,420.84, 13,655,118.81 and 5,485,530.00
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Solution
The fourth proportional to 9,894,420.84, 13,655,118.81 and 5,485,530.00 is: 7,570,484.93
Step by Step Solution
- Step 1: Write the proportion equation
9,894,420.84 : 13,655,118.81 = 5,485,530.00 : x - Step 2: Convert to fraction form
9,894,420.84/13,655,118.81 = 5,485,530.00/x - Step 3: Cross multiply
9,894,420.84x = 13,655,118.81 × 5,485,530.00 - Step 4: Simplify right side
9,894,420.84x = 74,905,563,817,543.70 - Step 5: Solve for x
x = 74,905,563,817,543.70/9,894,420.84 - Step 6: Final answer
x = 7,570,484.93
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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.