Finding the Fourth Proportional to 42,301,435.97, 63,452,372.91 and 19,256,254.07
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Solution
The fourth proportional to 42,301,435.97, 63,452,372.91 and 19,256,254.07 is: 28,884,480.77
Step by Step Solution
- Step 1: Write the proportion equation
42,301,435.97 : 63,452,372.91 = 19,256,254.07 : x - Step 2: Convert to fraction form
42,301,435.97/63,452,372.91 = 19,256,254.07/x - Step 3: Cross multiply
42,301,435.97x = 63,452,372.91 × 19,256,254.07 - Step 4: Simplify right side
42,301,435.97x = 1,221,855,013,818,189 - Step 5: Solve for x
x = 1,221,855,013,818,189/42,301,435.97 - Step 6: Final answer
x = 28,884,480.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.