Finding the Fourth Proportional to 9,697,440.99, 13,395,242.86 and 7,187,903.13
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Solution
The fourth proportional to 9,697,440.99, 13,395,242.86 and 7,187,903.13 is: 9,928,774.83
Step by Step Solution
- Step 1: Write the proportion equation
9,697,440.99 : 13,395,242.86 = 7,187,903.13 : x - Step 2: Convert to fraction form
9,697,440.99/13,395,242.86 = 7,187,903.13/x - Step 3: Cross multiply
9,697,440.99x = 13,395,242.86 × 7,187,903.13 - Step 4: Simplify right side
9,697,440.99x = 96,283,708,064,985.81 - Step 5: Solve for x
x = 96,283,708,064,985.81/9,697,440.99 - Step 6: Final answer
x = 9,928,774.83
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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.